import java.util.*;
import java.io.*;

public class Echo4 {

  public static void main(String[] args) throws Exception {

    //
    // this version works for old versions of Java as well
    //
    BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
    String line = null;
    while ((line = r.readLine()) != null) {
      System.out.println(line);
    }


  }

}