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

int64_t s_cska8(int64_t a, int64_t b){
  int64_t s_cska8_out = 0;
  uint8_t s_cska8_xor0 = 0;
  uint8_t s_cska8_ha0_xor0 = 0;
  uint8_t s_cska8_ha0_and0 = 0;
  uint8_t s_cska8_xor1 = 0;
  uint8_t s_cska8_fa0_xor0 = 0;
  uint8_t s_cska8_fa0_and0 = 0;
  uint8_t s_cska8_fa0_xor1 = 0;
  uint8_t s_cska8_fa0_and1 = 0;
  uint8_t s_cska8_fa0_or0 = 0;
  uint8_t s_cska8_xor2 = 0;
  uint8_t s_cska8_fa1_xor0 = 0;
  uint8_t s_cska8_fa1_and0 = 0;
  uint8_t s_cska8_fa1_xor1 = 0;
  uint8_t s_cska8_fa1_and1 = 0;
  uint8_t s_cska8_fa1_or0 = 0;
  uint8_t s_cska8_xor3 = 0;
  uint8_t s_cska8_fa2_xor0 = 0;
  uint8_t s_cska8_fa2_and0 = 0;
  uint8_t s_cska8_fa2_xor1 = 0;
  uint8_t s_cska8_fa2_and1 = 0;
  uint8_t s_cska8_fa2_or0 = 0;
  uint8_t s_cska8_and_propagate00 = 0;
  uint8_t s_cska8_and_propagate01 = 0;
  uint8_t s_cska8_and_propagate02 = 0;
  uint8_t s_cska8_mux2to10_not0 = 0;
  uint8_t s_cska8_mux2to10_and1 = 0;
  uint8_t s_cska8_xor4 = 0;
  uint8_t s_cska8_fa3_xor0 = 0;
  uint8_t s_cska8_fa3_and0 = 0;
  uint8_t s_cska8_fa3_xor1 = 0;
  uint8_t s_cska8_fa3_and1 = 0;
  uint8_t s_cska8_fa3_or0 = 0;
  uint8_t s_cska8_xor5 = 0;
  uint8_t s_cska8_fa4_xor0 = 0;
  uint8_t s_cska8_fa4_and0 = 0;
  uint8_t s_cska8_fa4_xor1 = 0;
  uint8_t s_cska8_fa4_and1 = 0;
  uint8_t s_cska8_fa4_or0 = 0;
  uint8_t s_cska8_xor6 = 0;
  uint8_t s_cska8_fa5_xor0 = 0;
  uint8_t s_cska8_fa5_and0 = 0;
  uint8_t s_cska8_fa5_xor1 = 0;
  uint8_t s_cska8_fa5_and1 = 0;
  uint8_t s_cska8_fa5_or0 = 0;
  uint8_t s_cska8_xor7 = 0;
  uint8_t s_cska8_fa6_xor0 = 0;
  uint8_t s_cska8_fa6_and0 = 0;
  uint8_t s_cska8_fa6_xor1 = 0;
  uint8_t s_cska8_fa6_and1 = 0;
  uint8_t s_cska8_fa6_or0 = 0;
  uint8_t s_cska8_and_propagate13 = 0;
  uint8_t s_cska8_and_propagate14 = 0;
  uint8_t s_cska8_and_propagate15 = 0;
  uint8_t s_cska8_mux2to11_and0 = 0;
  uint8_t s_cska8_mux2to11_not0 = 0;
  uint8_t s_cska8_mux2to11_and1 = 0;
  uint8_t s_cska8_mux2to11_xor0 = 0;
  uint8_t s_cska8_xor8 = 0;
  uint8_t s_cska8_xor9 = 0;

  s_cska8_xor0 = ((a >> 0) & 0x01) ^ ((b >> 0) & 0x01);
  s_cska8_ha0_xor0 = ((a >> 0) & 0x01) ^ ((b >> 0) & 0x01);
  s_cska8_ha0_and0 = ((a >> 0) & 0x01) & ((b >> 0) & 0x01);
  s_cska8_xor1 = ((a >> 1) & 0x01) ^ ((b >> 1) & 0x01);
  s_cska8_fa0_xor0 = ((a >> 1) & 0x01) ^ ((b >> 1) & 0x01);
  s_cska8_fa0_and0 = ((a >> 1) & 0x01) & ((b >> 1) & 0x01);
  s_cska8_fa0_xor1 = ((s_cska8_fa0_xor0 >> 0) & 0x01) ^ ((s_cska8_ha0_and0 >> 0) & 0x01);
  s_cska8_fa0_and1 = ((s_cska8_fa0_xor0 >> 0) & 0x01) & ((s_cska8_ha0_and0 >> 0) & 0x01);
  s_cska8_fa0_or0 = ((s_cska8_fa0_and0 >> 0) & 0x01) | ((s_cska8_fa0_and1 >> 0) & 0x01);
  s_cska8_xor2 = ((a >> 2) & 0x01) ^ ((b >> 2) & 0x01);
  s_cska8_fa1_xor0 = ((a >> 2) & 0x01) ^ ((b >> 2) & 0x01);
  s_cska8_fa1_and0 = ((a >> 2) & 0x01) & ((b >> 2) & 0x01);
  s_cska8_fa1_xor1 = ((s_cska8_fa1_xor0 >> 0) & 0x01) ^ ((s_cska8_fa0_or0 >> 0) & 0x01);
  s_cska8_fa1_and1 = ((s_cska8_fa1_xor0 >> 0) & 0x01) & ((s_cska8_fa0_or0 >> 0) & 0x01);
  s_cska8_fa1_or0 = ((s_cska8_fa1_and0 >> 0) & 0x01) | ((s_cska8_fa1_and1 >> 0) & 0x01);
  s_cska8_xor3 = ((a >> 3) & 0x01) ^ ((b >> 3) & 0x01);
  s_cska8_fa2_xor0 = ((a >> 3) & 0x01) ^ ((b >> 3) & 0x01);
  s_cska8_fa2_and0 = ((a >> 3) & 0x01) & ((b >> 3) & 0x01);
  s_cska8_fa2_xor1 = ((s_cska8_fa2_xor0 >> 0) & 0x01) ^ ((s_cska8_fa1_or0 >> 0) & 0x01);
  s_cska8_fa2_and1 = ((s_cska8_fa2_xor0 >> 0) & 0x01) & ((s_cska8_fa1_or0 >> 0) & 0x01);
  s_cska8_fa2_or0 = ((s_cska8_fa2_and0 >> 0) & 0x01) | ((s_cska8_fa2_and1 >> 0) & 0x01);
  s_cska8_and_propagate00 = ((s_cska8_xor0 >> 0) & 0x01) & ((s_cska8_xor2 >> 0) & 0x01);
  s_cska8_and_propagate01 = ((s_cska8_xor1 >> 0) & 0x01) & ((s_cska8_xor3 >> 0) & 0x01);
  s_cska8_and_propagate02 = ((s_cska8_and_propagate00 >> 0) & 0x01) & ((s_cska8_and_propagate01 >> 0) & 0x01);
  s_cska8_mux2to10_not0 = ~(((s_cska8_and_propagate02 >> 0) & 0x01)) & 0x01;
  s_cska8_mux2to10_and1 = ((s_cska8_fa2_or0 >> 0) & 0x01) & ((s_cska8_mux2to10_not0 >> 0) & 0x01);
  s_cska8_xor4 = ((a >> 4) & 0x01) ^ ((b >> 4) & 0x01);
  s_cska8_fa3_xor0 = ((a >> 4) & 0x01) ^ ((b >> 4) & 0x01);
  s_cska8_fa3_and0 = ((a >> 4) & 0x01) & ((b >> 4) & 0x01);
  s_cska8_fa3_xor1 = ((s_cska8_fa3_xor0 >> 0) & 0x01) ^ ((s_cska8_mux2to10_and1 >> 0) & 0x01);
  s_cska8_fa3_and1 = ((s_cska8_fa3_xor0 >> 0) & 0x01) & ((s_cska8_mux2to10_and1 >> 0) & 0x01);
  s_cska8_fa3_or0 = ((s_cska8_fa3_and0 >> 0) & 0x01) | ((s_cska8_fa3_and1 >> 0) & 0x01);
  s_cska8_xor5 = ((a >> 5) & 0x01) ^ ((b >> 5) & 0x01);
  s_cska8_fa4_xor0 = ((a >> 5) & 0x01) ^ ((b >> 5) & 0x01);
  s_cska8_fa4_and0 = ((a >> 5) & 0x01) & ((b >> 5) & 0x01);
  s_cska8_fa4_xor1 = ((s_cska8_fa4_xor0 >> 0) & 0x01) ^ ((s_cska8_fa3_or0 >> 0) & 0x01);
  s_cska8_fa4_and1 = ((s_cska8_fa4_xor0 >> 0) & 0x01) & ((s_cska8_fa3_or0 >> 0) & 0x01);
  s_cska8_fa4_or0 = ((s_cska8_fa4_and0 >> 0) & 0x01) | ((s_cska8_fa4_and1 >> 0) & 0x01);
  s_cska8_xor6 = ((a >> 6) & 0x01) ^ ((b >> 6) & 0x01);
  s_cska8_fa5_xor0 = ((a >> 6) & 0x01) ^ ((b >> 6) & 0x01);
  s_cska8_fa5_and0 = ((a >> 6) & 0x01) & ((b >> 6) & 0x01);
  s_cska8_fa5_xor1 = ((s_cska8_fa5_xor0 >> 0) & 0x01) ^ ((s_cska8_fa4_or0 >> 0) & 0x01);
  s_cska8_fa5_and1 = ((s_cska8_fa5_xor0 >> 0) & 0x01) & ((s_cska8_fa4_or0 >> 0) & 0x01);
  s_cska8_fa5_or0 = ((s_cska8_fa5_and0 >> 0) & 0x01) | ((s_cska8_fa5_and1 >> 0) & 0x01);
  s_cska8_xor7 = ((a >> 7) & 0x01) ^ ((b >> 7) & 0x01);
  s_cska8_fa6_xor0 = ((a >> 7) & 0x01) ^ ((b >> 7) & 0x01);
  s_cska8_fa6_and0 = ((a >> 7) & 0x01) & ((b >> 7) & 0x01);
  s_cska8_fa6_xor1 = ((s_cska8_fa6_xor0 >> 0) & 0x01) ^ ((s_cska8_fa5_or0 >> 0) & 0x01);
  s_cska8_fa6_and1 = ((s_cska8_fa6_xor0 >> 0) & 0x01) & ((s_cska8_fa5_or0 >> 0) & 0x01);
  s_cska8_fa6_or0 = ((s_cska8_fa6_and0 >> 0) & 0x01) | ((s_cska8_fa6_and1 >> 0) & 0x01);
  s_cska8_and_propagate13 = ((s_cska8_xor4 >> 0) & 0x01) & ((s_cska8_xor6 >> 0) & 0x01);
  s_cska8_and_propagate14 = ((s_cska8_xor5 >> 0) & 0x01) & ((s_cska8_xor7 >> 0) & 0x01);
  s_cska8_and_propagate15 = ((s_cska8_and_propagate13 >> 0) & 0x01) & ((s_cska8_and_propagate14 >> 0) & 0x01);
  s_cska8_mux2to11_and0 = ((s_cska8_mux2to10_and1 >> 0) & 0x01) & ((s_cska8_and_propagate15 >> 0) & 0x01);
  s_cska8_mux2to11_not0 = ~(((s_cska8_and_propagate15 >> 0) & 0x01)) & 0x01;
  s_cska8_mux2to11_and1 = ((s_cska8_fa6_or0 >> 0) & 0x01) & ((s_cska8_mux2to11_not0 >> 0) & 0x01);
  s_cska8_mux2to11_xor0 = ((s_cska8_mux2to11_and0 >> 0) & 0x01) ^ ((s_cska8_mux2to11_and1 >> 0) & 0x01);
  s_cska8_xor8 = ((a >> 7) & 0x01) ^ ((b >> 7) & 0x01);
  s_cska8_xor9 = ((s_cska8_xor8 >> 0) & 0x01) ^ ((s_cska8_mux2to11_xor0 >> 0) & 0x01);

  s_cska8_out |= ((s_cska8_ha0_xor0 >> 0) & 0x01ull) << 0;
  s_cska8_out |= ((s_cska8_fa0_xor1 >> 0) & 0x01ull) << 1;
  s_cska8_out |= ((s_cska8_fa1_xor1 >> 0) & 0x01ull) << 2;
  s_cska8_out |= ((s_cska8_fa2_xor1 >> 0) & 0x01ull) << 3;
  s_cska8_out |= ((s_cska8_fa3_xor1 >> 0) & 0x01ull) << 4;
  s_cska8_out |= ((s_cska8_fa4_xor1 >> 0) & 0x01ull) << 5;
  s_cska8_out |= ((s_cska8_fa5_xor1 >> 0) & 0x01ull) << 6;
  s_cska8_out |= ((s_cska8_fa6_xor1 >> 0) & 0x01ull) << 7;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 8;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 9;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 10;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 11;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 12;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 13;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 14;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 15;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 16;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 17;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 18;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 19;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 20;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 21;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 22;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 23;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 24;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 25;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 26;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 27;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 28;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 29;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 30;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 31;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 32;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 33;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 34;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 35;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 36;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 37;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 38;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 39;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 40;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 41;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 42;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 43;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 44;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 45;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 46;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 47;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 48;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 49;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 50;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 51;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 52;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 53;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 54;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 55;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 56;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 57;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 58;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 59;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 60;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 61;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 62;
  s_cska8_out |= ((s_cska8_xor9 >> 0) & 0x01ull) << 63;
  return s_cska8_out;
}