#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  int A,B,C,D;
  cin>>A>>B>>C>>D;
  int t = B*60+C;
  t += (A-1)*D;
  t %= 1440;
  cout<<t/60<<endl;cout<<t%60<<endl;
}