530 : 선택제어문 - 자가진단3

Java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int age = sc.nextInt();
 
        if (20 <= age)
            System.out.println("adult");
        else
            System.out.println((20-age) + " years later");
    }
 
}