[백준] 2884번 : 알람 시계 - Java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int hour = sc.nextInt();
        int minute = sc.nextInt();
 
       if ((minute-45) < 0){
           hour -= 1;
           minute += 60-45;
 
           if (hour < 0)
               hour = 23;
 
           System.out.printf("%d %d", hour, minute);
       }
       else
           System.out.printf("%d %d", hour, minute-45);
    }
}