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

/**
 * Created by Владимир on 23.05.2015.
 */
public class Echo {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String s;
        while ((s = in.readLine())!=null && s.length()!=0){
            System.out.println(s);
        }
    }
}