import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;

public class SDA11100C {

    public static void main(String[] args) {
     
      BufferedInputStream bis = new BufferedInputStream(System.in);
      BufferedOutputStream bos = null;
      byte[] buffer = new byte[1024];
     
      try{
        int byteReaded = 0;
        bos = new BufferedOutputStream(System.out);
       
        while (true)
        {
          if((byteReaded = bis.read(buffer)) == -1)
          {
            break;
          }
          bos.write(buffer, 0, byteReaded);
          bos.flush();
        }
      }
      catch (IOException e)
      {
        e.printStackTrace();
      }
    }
}