package work;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
 
public class Work
{ public static void main(String[] args)
  { try
    { FileReader in = new FileReader( "input.txt");
      FileWriter out= new FileWriter("output.txt");   
      BufferedReader bin = new BufferedReader(in);
      String s = bin.readLine();
      while (s != null)
      { out.write(s+"\n");
        System.out.println(s);
        s = bin.readLine();
      }
      out.close();
    }
    catch (FileNotFoundException e) {}
    catch (IOException e)           {}
  }
}