#include <stdio.h>

int min(int a, int b, int c, int d)
{
  int *p, min;
  min = a;
  p =&b;
  while(p<=&d){
    if( min > *p) min = *p; 
    p++;
  }
  return min;
}

int main(void) 
{
    printf("%d", min(1, 2, 3, 4));

	return 0;
}