洛谷P1425 小鱼的游泳时间

import java.util.Scanner;

public class Main {
	public static void main(String []args){
		Scanner s=new Scanner(System.in);
		int a =s.nextInt();
		int b =s.nextInt();
		int c =s.nextInt();
		int d =s.nextInt();
		int w=c-a;
		int q=d-b;
		if(q<0){
			 w--;
			 q+=60;
		}
		
		
		System.out.println(w+" "+q);
		
	}

}