//

#include <stdio.h>

int main(){
int x, y, z, t, a;
printf("Please enter 4 numbers separated by spaces > ");
scanf("%d %d %d %d", &x, &y, &z, &t);
if (x>y)
a = y;
else
a = x;
if (y>z)
a = z;
if (z>t)
a = t;
printf("%d is the smallest\n", a);
return 0;
}