[2884/JAVA] 알람 시계

import java.util.Scanner;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);

int a = sc.nextInt();
int b = sc.nextInt();

//45 +
if (b >= 45) {
	b-=45;
	System.out.printf("%d %d", a ,b);
}

else if (a  == 0) {
	a += 23;
	b = (60+b)-45;
    System.out.printf("%d %d", a ,b);
}

else  {
    a -= 1;
    b = (60+b)-45;
	System.out.printf("%d %d", a ,b);
}

}
}

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조건만 잘 생각해서 코딩해주면 될듯 !