백준 2단계 no.5

import java.util.*;

public class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        
        int h = sc.nextInt();
        int m = sc.nextInt();
        
        if ( m-45 < 0 && h == 0) {
            System.out.print(23+" "+(m+15));
        } else if (m-45 < 0) {
            System.out.print((h-1)+" "+(m+15));
        } else {
            System.out.print(h+" "+(m-45));
        }
    }
}

틀린이유: 0시일 경우를 고려하지 않음