#include<iostream>
using namespace std;
int main()
{
int a,b,c,d,e,f;
cin>>a>>b>>c>>d;
e=a-c;
f=d-b;
if(d<b)
{
e=a-c-1;
f=d-b+60;

}
cout<<e<<" "<<f<<endl;


return 0;
}