#include <stdio.h>

extern "C"{
  int perform_xor(int a, int b);
}

void setup(){}

void loop() {
    int a, b;
    printf("Enter two integers separated by space to perform bitwise XOR: \n");
    scanf("%d %d", &a, &b);
    int result = perform_xor(a, b);
    printf("Bitwise XOR of %d and %d is: %d\n", a, b, result);
}