[코드업] 기초 100제 Java로 풀기 - 1053

package codeup_100;

import java.util.Scanner;

public class codeup_53 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		boolean a = sc.nextBoolean();
		System.out.println(!a);
	}
}