using System;
using System.Collections.Generic;
using System.Linq;

namespace PracticeAtCoder
{
    class Program
    {
        static void Main(string[] args)
        {
			
			
			//048ロボット
			
			
			//　mm/60 をhに加算　h％24をｈに格納　mm%60をmmに代入
			
			string sB = Console.ReadLine();
			string[] t = sB.Split(' ');
			int[] after = t.Select(s => int.Parse(s)).ToArray();
			
			int intA =after[0];//N度寝
			int intB =after[1];//時刻
			int intC =after[2];//分
			int intD =after[3];//間隔
			
			int sumA = 0 ;
			//　A*D　+ C
			//　mm/60 をhに加算　h％24をｈに格納　mm%60をmmに代入
			//N度寝後の時刻
			intA = intA - 1;
			
			sumA = intA*intD+intC;
			intC = sumA % 60;
			intB = (sumA / 60 +intB)%24;
			
			Console.WriteLine(intB);
			Console.WriteLine(intC);
			
		}
    }
}