[JAVA]백준 2884: 알람 시계

https://www.acmicpc.net/problem/2884

2884번: 알람 시계

public static void main(String[] args) throws IOException {
    Scanner sc = new Scanner(System.in);

    int hour = sc.nextInt();
    int minutes = sc.nextInt();
    int leftMinutes = minutes - 45;

    if(leftMinutes < 0){
        if(hour == 0){
            hour = 23;
        }else{
            hour = hour - 1;
        }
        minutes = 60 + leftMinutes;
    }else{
        minutes = leftMinutes;
    }

    System.out.println(hour + " " + minutes);
}