import java.io.*;

class Foo {
  public static void main(String[] args){
    args = new String[0];
    System.setOut(new PrintStream(new ByteArrayOutputStream()));
    System.setIn(new ByteArrayInputStream(new byte[0]));
    // insert program here
    System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out)));
    System.out.println("Hello, World!");
  }
}