#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void printL(auto a){
  cout << a << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

void Nemu(ll a, ll b, ll c, ll d){
  ll e = b*60+c + (a-1)*d;
  e %= 1440;
  printL(e/60);
  printL(e%60);
}

int main(){
  ll N, H, M, T; cin >> N >> H >> M >> T;
  Nemu(N, H, M, T);
}