text: #include <stdio.h>
  
  int func(int a, int b) {
  	a += 5;
  	if (a > 10) return 0;
  	return a - b;
  }
  
  int main() {
  	int x, y;  // declare two integers
  	x = 4;
  	y = 7;
  	y = func(x, y);
     for (int i = 0; i < 3; i++) {
  	  printf("%d, %d\n", x, y);
     }
     
     return 0; 
  }
  