[BOJ] 백준 10926번 ??! (Java)

문제링크

https://www.acmicpc.net/problem/10926

10926번: ??!

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나의코드

import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String a = "";
        a = sc.next();
        sc.close();
        a = a + "??!";
        System.out.print(a);
    }
}