using System;

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] a = Console.ReadLine().Split(' ');
            int[] a1 = new int[a.Length];
            int b;
            for(int i = 0; i < a.Length; i++)
            {
                a1[i] = int.Parse(a[i]);
            }

            if (a1[0] == 1)//1回で起きれた
            {
                Console.WriteLine(a1[1]);
                Console.WriteLine(a1[2]);
            }
            else
            {
                a1[2] += a1[3] * (a1[0] - 1);//寝た回数*アラームの間隔
                if (a1[2] >= 60)
                {
                    b = a1[2] / 60;
                    a1[2] -= 60*b;
                    a1[1] += b%24;
                    if (a1[1] >23)
                    {
                        a1[1] %=24;
                    }
                }
                Console.WriteLine(a1[1]);
                Console.WriteLine(a1[2]);
            }
        }   
    }
}