main.c

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

#define NUM0 5
#define NUM1 7

int main(void)
{
  int32_t num[2];
  
  num[0] = NUM0;
  num[1] = NUM1;
  
  if (num[0]^[num[1])
    print("a is equal to b\n")
  else
    a < b ? { printf("a is lesser than b\n") } : { printf("a is greater than b") };
  return (EXIT_SUCCESS);
}