#include <stdio.h>
int main()
{
    int a, b, c, d;
    scanf("%d %d %d %d",&a, &b, &c, &d);
    int e, f;

    if(d-b<<0)
    {
    e = c-a-1;
    f = d-b+60;
    }
    else
    {
        e =c-a;
        f = d-a;
    }
    printf("%d %d",e, f);
    return 0;
}