#include<iostream>
#include<math.h>
#include<cstdio>
using namespace std;
int main()
{
    int a,b,c,d,e,f;
    cin>>a>>b>>c>>d;
    if (d>=b)
    {
     e=c-a;
     f=d-b;
     cout<<e<<" "<<f;
    }
    else if (d<b)
    {
     e=c-a-1;
     f=d+60-b;
     cout<<e<<" "<<f;
    }
    return 0;
}
 

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