알고리즘 - 백준, 11718 그대로 출력하기

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

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);
        }
    }
}