2884 알람 시계

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int h = sc.nextInt();
        int m = sc.nextInt();
        sc.close();
        
        if( m >= 45 ) {
            m -= 45;
        } else {
            if( h == 0 ) {
                h = 23;
                m = 60-45+m;
            } else {
                h -= 1;
                m = 60-45+m;
            }
        }
        System.out.print(h+" "+m);
    }
}