using System;

​

public class Program

{

    public static void Main()

    {

        string num = Console.ReadLine();

        string[] numsplit = num.Split(' ');

        int[] innumsplit = Array.ConvertAll(numsplit, Int32.Parse);

        int start = (innumsplit[0] * 60) + innumsplit[1];

        int end = (innumsplit[2] * 60) + innumsplit[3];

        int totalminute = end - start;

        int hour= totalminute / 60;

        int minute = totalminute-(hour * 60);

        Console.WriteLine(hour+" "+minute);

    }

}