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

#define N 128

int minimum(int a, int b, int c) {
  if (a <= b && a <= c)
    return a;
  else if (b <= a && b <= c)
    return b;
  else
    return c;
}

int main() {
  char buff[N];
  int a, b, c, n;

  printf("int 1: ");
  fgets(buff, N, stdin);
  a = atoi(buff);
  printf("int 2: ");
  fgets(buff, N, stdin);
  b = atoi(buff);
  printf("int 3: ");
  fgets(buff, N, stdin);
  c = atoi(buff);
  n = minimum(a, b, c);
  printf("smallest: %d\n", n);
  return 0;
}
/* end */

int 1: int 2: int 3: smallest: 0