[백준] 11718번: 그대로 출력하기

https://www.acmicpc.net/problem/11718

import java.io.*;
public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str = "";

        while ((str = br.readLine()) != null) {
            System.out.println(str);
        }

    }
}