#include <stdio.h>
#include <stdint.h>

uint64_t u_cska16(uint64_t a, uint64_t b){
  uint64_t u_cska16_out = 0;
  uint8_t u_cska16_xor0 = 0;
  uint8_t u_cska16_ha0_xor0 = 0;
  uint8_t u_cska16_ha0_and0 = 0;
  uint8_t u_cska16_xor1 = 0;
  uint8_t u_cska16_fa0_xor0 = 0;
  uint8_t u_cska16_fa0_and0 = 0;
  uint8_t u_cska16_fa0_xor1 = 0;
  uint8_t u_cska16_fa0_and1 = 0;
  uint8_t u_cska16_fa0_or0 = 0;
  uint8_t u_cska16_xor2 = 0;
  uint8_t u_cska16_fa1_xor0 = 0;
  uint8_t u_cska16_fa1_and0 = 0;
  uint8_t u_cska16_fa1_xor1 = 0;
  uint8_t u_cska16_fa1_and1 = 0;
  uint8_t u_cska16_fa1_or0 = 0;
  uint8_t u_cska16_xor3 = 0;
  uint8_t u_cska16_fa2_xor0 = 0;
  uint8_t u_cska16_fa2_and0 = 0;
  uint8_t u_cska16_fa2_xor1 = 0;
  uint8_t u_cska16_fa2_and1 = 0;
  uint8_t u_cska16_fa2_or0 = 0;
  uint8_t u_cska16_and_propagate00 = 0;
  uint8_t u_cska16_and_propagate01 = 0;
  uint8_t u_cska16_and_propagate02 = 0;
  uint8_t u_cska16_mux2to10_not0 = 0;
  uint8_t u_cska16_mux2to10_and1 = 0;
  uint8_t u_cska16_xor4 = 0;
  uint8_t u_cska16_fa3_xor0 = 0;
  uint8_t u_cska16_fa3_and0 = 0;
  uint8_t u_cska16_fa3_xor1 = 0;
  uint8_t u_cska16_fa3_and1 = 0;
  uint8_t u_cska16_fa3_or0 = 0;
  uint8_t u_cska16_xor5 = 0;
  uint8_t u_cska16_fa4_xor0 = 0;
  uint8_t u_cska16_fa4_and0 = 0;
  uint8_t u_cska16_fa4_xor1 = 0;
  uint8_t u_cska16_fa4_and1 = 0;
  uint8_t u_cska16_fa4_or0 = 0;
  uint8_t u_cska16_xor6 = 0;
  uint8_t u_cska16_fa5_xor0 = 0;
  uint8_t u_cska16_fa5_and0 = 0;
  uint8_t u_cska16_fa5_xor1 = 0;
  uint8_t u_cska16_fa5_and1 = 0;
  uint8_t u_cska16_fa5_or0 = 0;
  uint8_t u_cska16_xor7 = 0;
  uint8_t u_cska16_fa6_xor0 = 0;
  uint8_t u_cska16_fa6_and0 = 0;
  uint8_t u_cska16_fa6_xor1 = 0;
  uint8_t u_cska16_fa6_and1 = 0;
  uint8_t u_cska16_fa6_or0 = 0;
  uint8_t u_cska16_and_propagate13 = 0;
  uint8_t u_cska16_and_propagate14 = 0;
  uint8_t u_cska16_and_propagate15 = 0;
  uint8_t u_cska16_mux2to11_and0 = 0;
  uint8_t u_cska16_mux2to11_not0 = 0;
  uint8_t u_cska16_mux2to11_and1 = 0;
  uint8_t u_cska16_mux2to11_xor0 = 0;
  uint8_t u_cska16_xor8 = 0;
  uint8_t u_cska16_fa7_xor0 = 0;
  uint8_t u_cska16_fa7_and0 = 0;
  uint8_t u_cska16_fa7_xor1 = 0;
  uint8_t u_cska16_fa7_and1 = 0;
  uint8_t u_cska16_fa7_or0 = 0;
  uint8_t u_cska16_xor9 = 0;
  uint8_t u_cska16_fa8_xor0 = 0;
  uint8_t u_cska16_fa8_and0 = 0;
  uint8_t u_cska16_fa8_xor1 = 0;
  uint8_t u_cska16_fa8_and1 = 0;
  uint8_t u_cska16_fa8_or0 = 0;
  uint8_t u_cska16_xor10 = 0;
  uint8_t u_cska16_fa9_xor0 = 0;
  uint8_t u_cska16_fa9_and0 = 0;
  uint8_t u_cska16_fa9_xor1 = 0;
  uint8_t u_cska16_fa9_and1 = 0;
  uint8_t u_cska16_fa9_or0 = 0;
  uint8_t u_cska16_xor11 = 0;
  uint8_t u_cska16_fa10_xor0 = 0;
  uint8_t u_cska16_fa10_and0 = 0;
  uint8_t u_cska16_fa10_xor1 = 0;
  uint8_t u_cska16_fa10_and1 = 0;
  uint8_t u_cska16_fa10_or0 = 0;
  uint8_t u_cska16_and_propagate26 = 0;
  uint8_t u_cska16_and_propagate27 = 0;
  uint8_t u_cska16_and_propagate28 = 0;
  uint8_t u_cska16_mux2to12_and0 = 0;
  uint8_t u_cska16_mux2to12_not0 = 0;
  uint8_t u_cska16_mux2to12_and1 = 0;
  uint8_t u_cska16_mux2to12_xor0 = 0;
  uint8_t u_cska16_xor12 = 0;
  uint8_t u_cska16_fa11_xor0 = 0;
  uint8_t u_cska16_fa11_and0 = 0;
  uint8_t u_cska16_fa11_xor1 = 0;
  uint8_t u_cska16_fa11_and1 = 0;
  uint8_t u_cska16_fa11_or0 = 0;
  uint8_t u_cska16_xor13 = 0;
  uint8_t u_cska16_fa12_xor0 = 0;
  uint8_t u_cska16_fa12_and0 = 0;
  uint8_t u_cska16_fa12_xor1 = 0;
  uint8_t u_cska16_fa12_and1 = 0;
  uint8_t u_cska16_fa12_or0 = 0;
  uint8_t u_cska16_xor14 = 0;
  uint8_t u_cska16_fa13_xor0 = 0;
  uint8_t u_cska16_fa13_and0 = 0;
  uint8_t u_cska16_fa13_xor1 = 0;
  uint8_t u_cska16_fa13_and1 = 0;
  uint8_t u_cska16_fa13_or0 = 0;
  uint8_t u_cska16_xor15 = 0;
  uint8_t u_cska16_fa14_xor0 = 0;
  uint8_t u_cska16_fa14_and0 = 0;
  uint8_t u_cska16_fa14_xor1 = 0;
  uint8_t u_cska16_fa14_and1 = 0;
  uint8_t u_cska16_fa14_or0 = 0;
  uint8_t u_cska16_and_propagate39 = 0;
  uint8_t u_cska16_and_propagate310 = 0;
  uint8_t u_cska16_and_propagate311 = 0;
  uint8_t u_cska16_mux2to13_and0 = 0;
  uint8_t u_cska16_mux2to13_not0 = 0;
  uint8_t u_cska16_mux2to13_and1 = 0;
  uint8_t u_cska16_mux2to13_xor0 = 0;

  u_cska16_xor0 = ((a >> 0) & 0x01) ^ ((b >> 0) & 0x01);
  u_cska16_ha0_xor0 = ((a >> 0) & 0x01) ^ ((b >> 0) & 0x01);
  u_cska16_ha0_and0 = ((a >> 0) & 0x01) & ((b >> 0) & 0x01);
  u_cska16_xor1 = ((a >> 1) & 0x01) ^ ((b >> 1) & 0x01);
  u_cska16_fa0_xor0 = ((a >> 1) & 0x01) ^ ((b >> 1) & 0x01);
  u_cska16_fa0_and0 = ((a >> 1) & 0x01) & ((b >> 1) & 0x01);
  u_cska16_fa0_xor1 = ((u_cska16_fa0_xor0 >> 0) & 0x01) ^ ((u_cska16_ha0_and0 >> 0) & 0x01);
  u_cska16_fa0_and1 = ((u_cska16_fa0_xor0 >> 0) & 0x01) & ((u_cska16_ha0_and0 >> 0) & 0x01);
  u_cska16_fa0_or0 = ((u_cska16_fa0_and0 >> 0) & 0x01) | ((u_cska16_fa0_and1 >> 0) & 0x01);
  u_cska16_xor2 = ((a >> 2) & 0x01) ^ ((b >> 2) & 0x01);
  u_cska16_fa1_xor0 = ((a >> 2) & 0x01) ^ ((b >> 2) & 0x01);
  u_cska16_fa1_and0 = ((a >> 2) & 0x01) & ((b >> 2) & 0x01);
  u_cska16_fa1_xor1 = ((u_cska16_fa1_xor0 >> 0) & 0x01) ^ ((u_cska16_fa0_or0 >> 0) & 0x01);
  u_cska16_fa1_and1 = ((u_cska16_fa1_xor0 >> 0) & 0x01) & ((u_cska16_fa0_or0 >> 0) & 0x01);
  u_cska16_fa1_or0 = ((u_cska16_fa1_and0 >> 0) & 0x01) | ((u_cska16_fa1_and1 >> 0) & 0x01);
  u_cska16_xor3 = ((a >> 3) & 0x01) ^ ((b >> 3) & 0x01);
  u_cska16_fa2_xor0 = ((a >> 3) & 0x01) ^ ((b >> 3) & 0x01);
  u_cska16_fa2_and0 = ((a >> 3) & 0x01) & ((b >> 3) & 0x01);
  u_cska16_fa2_xor1 = ((u_cska16_fa2_xor0 >> 0) & 0x01) ^ ((u_cska16_fa1_or0 >> 0) & 0x01);
  u_cska16_fa2_and1 = ((u_cska16_fa2_xor0 >> 0) & 0x01) & ((u_cska16_fa1_or0 >> 0) & 0x01);
  u_cska16_fa2_or0 = ((u_cska16_fa2_and0 >> 0) & 0x01) | ((u_cska16_fa2_and1 >> 0) & 0x01);
  u_cska16_and_propagate00 = ((u_cska16_xor0 >> 0) & 0x01) & ((u_cska16_xor2 >> 0) & 0x01);
  u_cska16_and_propagate01 = ((u_cska16_xor1 >> 0) & 0x01) & ((u_cska16_xor3 >> 0) & 0x01);
  u_cska16_and_propagate02 = ((u_cska16_and_propagate00 >> 0) & 0x01) & ((u_cska16_and_propagate01 >> 0) & 0x01);
  u_cska16_mux2to10_not0 = ~(((u_cska16_and_propagate02 >> 0) & 0x01)) & 0x01;
  u_cska16_mux2to10_and1 = ((u_cska16_fa2_or0 >> 0) & 0x01) & ((u_cska16_mux2to10_not0 >> 0) & 0x01);
  u_cska16_xor4 = ((a >> 4) & 0x01) ^ ((b >> 4) & 0x01);
  u_cska16_fa3_xor0 = ((a >> 4) & 0x01) ^ ((b >> 4) & 0x01);
  u_cska16_fa3_and0 = ((a >> 4) & 0x01) & ((b >> 4) & 0x01);
  u_cska16_fa3_xor1 = ((u_cska16_fa3_xor0 >> 0) & 0x01) ^ ((u_cska16_mux2to10_and1 >> 0) & 0x01);
  u_cska16_fa3_and1 = ((u_cska16_fa3_xor0 >> 0) & 0x01) & ((u_cska16_mux2to10_and1 >> 0) & 0x01);
  u_cska16_fa3_or0 = ((u_cska16_fa3_and0 >> 0) & 0x01) | ((u_cska16_fa3_and1 >> 0) & 0x01);
  u_cska16_xor5 = ((a >> 5) & 0x01) ^ ((b >> 5) & 0x01);
  u_cska16_fa4_xor0 = ((a >> 5) & 0x01) ^ ((b >> 5) & 0x01);
  u_cska16_fa4_and0 = ((a >> 5) & 0x01) & ((b >> 5) & 0x01);
  u_cska16_fa4_xor1 = ((u_cska16_fa4_xor0 >> 0) & 0x01) ^ ((u_cska16_fa3_or0 >> 0) & 0x01);
  u_cska16_fa4_and1 = ((u_cska16_fa4_xor0 >> 0) & 0x01) & ((u_cska16_fa3_or0 >> 0) & 0x01);
  u_cska16_fa4_or0 = ((u_cska16_fa4_and0 >> 0) & 0x01) | ((u_cska16_fa4_and1 >> 0) & 0x01);
  u_cska16_xor6 = ((a >> 6) & 0x01) ^ ((b >> 6) & 0x01);
  u_cska16_fa5_xor0 = ((a >> 6) & 0x01) ^ ((b >> 6) & 0x01);
  u_cska16_fa5_and0 = ((a >> 6) & 0x01) & ((b >> 6) & 0x01);
  u_cska16_fa5_xor1 = ((u_cska16_fa5_xor0 >> 0) & 0x01) ^ ((u_cska16_fa4_or0 >> 0) & 0x01);
  u_cska16_fa5_and1 = ((u_cska16_fa5_xor0 >> 0) & 0x01) & ((u_cska16_fa4_or0 >> 0) & 0x01);
  u_cska16_fa5_or0 = ((u_cska16_fa5_and0 >> 0) & 0x01) | ((u_cska16_fa5_and1 >> 0) & 0x01);
  u_cska16_xor7 = ((a >> 7) & 0x01) ^ ((b >> 7) & 0x01);
  u_cska16_fa6_xor0 = ((a >> 7) & 0x01) ^ ((b >> 7) & 0x01);
  u_cska16_fa6_and0 = ((a >> 7) & 0x01) & ((b >> 7) & 0x01);
  u_cska16_fa6_xor1 = ((u_cska16_fa6_xor0 >> 0) & 0x01) ^ ((u_cska16_fa5_or0 >> 0) & 0x01);
  u_cska16_fa6_and1 = ((u_cska16_fa6_xor0 >> 0) & 0x01) & ((u_cska16_fa5_or0 >> 0) & 0x01);
  u_cska16_fa6_or0 = ((u_cska16_fa6_and0 >> 0) & 0x01) | ((u_cska16_fa6_and1 >> 0) & 0x01);
  u_cska16_and_propagate13 = ((u_cska16_xor4 >> 0) & 0x01) & ((u_cska16_xor6 >> 0) & 0x01);
  u_cska16_and_propagate14 = ((u_cska16_xor5 >> 0) & 0x01) & ((u_cska16_xor7 >> 0) & 0x01);
  u_cska16_and_propagate15 = ((u_cska16_and_propagate13 >> 0) & 0x01) & ((u_cska16_and_propagate14 >> 0) & 0x01);
  u_cska16_mux2to11_and0 = ((u_cska16_mux2to10_and1 >> 0) & 0x01) & ((u_cska16_and_propagate15 >> 0) & 0x01);
  u_cska16_mux2to11_not0 = ~(((u_cska16_and_propagate15 >> 0) & 0x01)) & 0x01;
  u_cska16_mux2to11_and1 = ((u_cska16_fa6_or0 >> 0) & 0x01) & ((u_cska16_mux2to11_not0 >> 0) & 0x01);
  u_cska16_mux2to11_xor0 = ((u_cska16_mux2to11_and0 >> 0) & 0x01) ^ ((u_cska16_mux2to11_and1 >> 0) & 0x01);
  u_cska16_xor8 = ((a >> 8) & 0x01) ^ ((b >> 8) & 0x01);
  u_cska16_fa7_xor0 = ((a >> 8) & 0x01) ^ ((b >> 8) & 0x01);
  u_cska16_fa7_and0 = ((a >> 8) & 0x01) & ((b >> 8) & 0x01);
  u_cska16_fa7_xor1 = ((u_cska16_fa7_xor0 >> 0) & 0x01) ^ ((u_cska16_mux2to11_xor0 >> 0) & 0x01);
  u_cska16_fa7_and1 = ((u_cska16_fa7_xor0 >> 0) & 0x01) & ((u_cska16_mux2to11_xor0 >> 0) & 0x01);
  u_cska16_fa7_or0 = ((u_cska16_fa7_and0 >> 0) & 0x01) | ((u_cska16_fa7_and1 >> 0) & 0x01);
  u_cska16_xor9 = ((a >> 9) & 0x01) ^ ((b >> 9) & 0x01);
  u_cska16_fa8_xor0 = ((a >> 9) & 0x01) ^ ((b >> 9) & 0x01);
  u_cska16_fa8_and0 = ((a >> 9) & 0x01) & ((b >> 9) & 0x01);
  u_cska16_fa8_xor1 = ((u_cska16_fa8_xor0 >> 0) & 0x01) ^ ((u_cska16_fa7_or0 >> 0) & 0x01);
  u_cska16_fa8_and1 = ((u_cska16_fa8_xor0 >> 0) & 0x01) & ((u_cska16_fa7_or0 >> 0) & 0x01);
  u_cska16_fa8_or0 = ((u_cska16_fa8_and0 >> 0) & 0x01) | ((u_cska16_fa8_and1 >> 0) & 0x01);
  u_cska16_xor10 = ((a >> 10) & 0x01) ^ ((b >> 10) & 0x01);
  u_cska16_fa9_xor0 = ((a >> 10) & 0x01) ^ ((b >> 10) & 0x01);
  u_cska16_fa9_and0 = ((a >> 10) & 0x01) & ((b >> 10) & 0x01);
  u_cska16_fa9_xor1 = ((u_cska16_fa9_xor0 >> 0) & 0x01) ^ ((u_cska16_fa8_or0 >> 0) & 0x01);
  u_cska16_fa9_and1 = ((u_cska16_fa9_xor0 >> 0) & 0x01) & ((u_cska16_fa8_or0 >> 0) & 0x01);
  u_cska16_fa9_or0 = ((u_cska16_fa9_and0 >> 0) & 0x01) | ((u_cska16_fa9_and1 >> 0) & 0x01);
  u_cska16_xor11 = ((a >> 11) & 0x01) ^ ((b >> 11) & 0x01);
  u_cska16_fa10_xor0 = ((a >> 11) & 0x01) ^ ((b >> 11) & 0x01);
  u_cska16_fa10_and0 = ((a >> 11) & 0x01) & ((b >> 11) & 0x01);
  u_cska16_fa10_xor1 = ((u_cska16_fa10_xor0 >> 0) & 0x01) ^ ((u_cska16_fa9_or0 >> 0) & 0x01);
  u_cska16_fa10_and1 = ((u_cska16_fa10_xor0 >> 0) & 0x01) & ((u_cska16_fa9_or0 >> 0) & 0x01);
  u_cska16_fa10_or0 = ((u_cska16_fa10_and0 >> 0) & 0x01) | ((u_cska16_fa10_and1 >> 0) & 0x01);
  u_cska16_and_propagate26 = ((u_cska16_xor8 >> 0) & 0x01) & ((u_cska16_xor10 >> 0) & 0x01);
  u_cska16_and_propagate27 = ((u_cska16_xor9 >> 0) & 0x01) & ((u_cska16_xor11 >> 0) & 0x01);
  u_cska16_and_propagate28 = ((u_cska16_and_propagate26 >> 0) & 0x01) & ((u_cska16_and_propagate27 >> 0) & 0x01);
  u_cska16_mux2to12_and0 = ((u_cska16_mux2to11_xor0 >> 0) & 0x01) & ((u_cska16_and_propagate28 >> 0) & 0x01);
  u_cska16_mux2to12_not0 = ~(((u_cska16_and_propagate28 >> 0) & 0x01)) & 0x01;
  u_cska16_mux2to12_and1 = ((u_cska16_fa10_or0 >> 0) & 0x01) & ((u_cska16_mux2to12_not0 >> 0) & 0x01);
  u_cska16_mux2to12_xor0 = ((u_cska16_mux2to12_and0 >> 0) & 0x01) ^ ((u_cska16_mux2to12_and1 >> 0) & 0x01);
  u_cska16_xor12 = ((a >> 12) & 0x01) ^ ((b >> 12) & 0x01);
  u_cska16_fa11_xor0 = ((a >> 12) & 0x01) ^ ((b >> 12) & 0x01);
  u_cska16_fa11_and0 = ((a >> 12) & 0x01) & ((b >> 12) & 0x01);
  u_cska16_fa11_xor1 = ((u_cska16_fa11_xor0 >> 0) & 0x01) ^ ((u_cska16_mux2to12_xor0 >> 0) & 0x01);
  u_cska16_fa11_and1 = ((u_cska16_fa11_xor0 >> 0) & 0x01) & ((u_cska16_mux2to12_xor0 >> 0) & 0x01);
  u_cska16_fa11_or0 = ((u_cska16_fa11_and0 >> 0) & 0x01) | ((u_cska16_fa11_and1 >> 0) & 0x01);
  u_cska16_xor13 = ((a >> 13) & 0x01) ^ ((b >> 13) & 0x01);
  u_cska16_fa12_xor0 = ((a >> 13) & 0x01) ^ ((b >> 13) & 0x01);
  u_cska16_fa12_and0 = ((a >> 13) & 0x01) & ((b >> 13) & 0x01);
  u_cska16_fa12_xor1 = ((u_cska16_fa12_xor0 >> 0) & 0x01) ^ ((u_cska16_fa11_or0 >> 0) & 0x01);
  u_cska16_fa12_and1 = ((u_cska16_fa12_xor0 >> 0) & 0x01) & ((u_cska16_fa11_or0 >> 0) & 0x01);
  u_cska16_fa12_or0 = ((u_cska16_fa12_and0 >> 0) & 0x01) | ((u_cska16_fa12_and1 >> 0) & 0x01);
  u_cska16_xor14 = ((a >> 14) & 0x01) ^ ((b >> 14) & 0x01);
  u_cska16_fa13_xor0 = ((a >> 14) & 0x01) ^ ((b >> 14) & 0x01);
  u_cska16_fa13_and0 = ((a >> 14) & 0x01) & ((b >> 14) & 0x01);
  u_cska16_fa13_xor1 = ((u_cska16_fa13_xor0 >> 0) & 0x01) ^ ((u_cska16_fa12_or0 >> 0) & 0x01);
  u_cska16_fa13_and1 = ((u_cska16_fa13_xor0 >> 0) & 0x01) & ((u_cska16_fa12_or0 >> 0) & 0x01);
  u_cska16_fa13_or0 = ((u_cska16_fa13_and0 >> 0) & 0x01) | ((u_cska16_fa13_and1 >> 0) & 0x01);
  u_cska16_xor15 = ((a >> 15) & 0x01) ^ ((b >> 15) & 0x01);
  u_cska16_fa14_xor0 = ((a >> 15) & 0x01) ^ ((b >> 15) & 0x01);
  u_cska16_fa14_and0 = ((a >> 15) & 0x01) & ((b >> 15) & 0x01);
  u_cska16_fa14_xor1 = ((u_cska16_fa14_xor0 >> 0) & 0x01) ^ ((u_cska16_fa13_or0 >> 0) & 0x01);
  u_cska16_fa14_and1 = ((u_cska16_fa14_xor0 >> 0) & 0x01) & ((u_cska16_fa13_or0 >> 0) & 0x01);
  u_cska16_fa14_or0 = ((u_cska16_fa14_and0 >> 0) & 0x01) | ((u_cska16_fa14_and1 >> 0) & 0x01);
  u_cska16_and_propagate39 = ((u_cska16_xor12 >> 0) & 0x01) & ((u_cska16_xor14 >> 0) & 0x01);
  u_cska16_and_propagate310 = ((u_cska16_xor13 >> 0) & 0x01) & ((u_cska16_xor15 >> 0) & 0x01);
  u_cska16_and_propagate311 = ((u_cska16_and_propagate39 >> 0) & 0x01) & ((u_cska16_and_propagate310 >> 0) & 0x01);
  u_cska16_mux2to13_and0 = ((u_cska16_mux2to12_xor0 >> 0) & 0x01) & ((u_cska16_and_propagate311 >> 0) & 0x01);
  u_cska16_mux2to13_not0 = ~(((u_cska16_and_propagate311 >> 0) & 0x01)) & 0x01;
  u_cska16_mux2to13_and1 = ((u_cska16_fa14_or0 >> 0) & 0x01) & ((u_cska16_mux2to13_not0 >> 0) & 0x01);
  u_cska16_mux2to13_xor0 = ((u_cska16_mux2to13_and0 >> 0) & 0x01) ^ ((u_cska16_mux2to13_and1 >> 0) & 0x01);

  u_cska16_out |= ((u_cska16_ha0_xor0 >> 0) & 0x01ull) << 0;
  u_cska16_out |= ((u_cska16_fa0_xor1 >> 0) & 0x01ull) << 1;
  u_cska16_out |= ((u_cska16_fa1_xor1 >> 0) & 0x01ull) << 2;
  u_cska16_out |= ((u_cska16_fa2_xor1 >> 0) & 0x01ull) << 3;
  u_cska16_out |= ((u_cska16_fa3_xor1 >> 0) & 0x01ull) << 4;
  u_cska16_out |= ((u_cska16_fa4_xor1 >> 0) & 0x01ull) << 5;
  u_cska16_out |= ((u_cska16_fa5_xor1 >> 0) & 0x01ull) << 6;
  u_cska16_out |= ((u_cska16_fa6_xor1 >> 0) & 0x01ull) << 7;
  u_cska16_out |= ((u_cska16_fa7_xor1 >> 0) & 0x01ull) << 8;
  u_cska16_out |= ((u_cska16_fa8_xor1 >> 0) & 0x01ull) << 9;
  u_cska16_out |= ((u_cska16_fa9_xor1 >> 0) & 0x01ull) << 10;
  u_cska16_out |= ((u_cska16_fa10_xor1 >> 0) & 0x01ull) << 11;
  u_cska16_out |= ((u_cska16_fa11_xor1 >> 0) & 0x01ull) << 12;
  u_cska16_out |= ((u_cska16_fa12_xor1 >> 0) & 0x01ull) << 13;
  u_cska16_out |= ((u_cska16_fa13_xor1 >> 0) & 0x01ull) << 14;
  u_cska16_out |= ((u_cska16_fa14_xor1 >> 0) & 0x01ull) << 15;
  u_cska16_out |= ((u_cska16_mux2to13_xor0 >> 0) & 0x01ull) << 16;
  return u_cska16_out;
}