using System;
public class Hello{
    public static void Main(){
        // Here your code !
        //int a;
         //a = int.Parse(Console.ReadLine()); //?¨??????\???
        var tmp = Console.ReadLine().Split();
        int n = int.Parse(tmp[0]);
        int h = int.Parse(tmp[1]);
        int m = int.Parse(tmp[2]);
        int t = int.Parse(tmp[3]);
        TimeSpan ts =  new TimeSpan(h, m, 0);
        
        TimeSpan ts2 = new TimeSpan(0, (n-1)*t, 0);
        ts =ts+ts2;
        //System.Console.WriteLine(ts.Hours+":"+ts.Minutes+":"+ts.Seconds);
        Console.WriteLine(ts.Hours);
        Console.WriteLine(ts.Minutes);
    }

}