import java.io.PrintWriter;
import java.io.FileNotFoundException;
import java.io.File;

class Mar23 {
	public static void main(String[] args) {

		PrintWriter pw = null;

		try {
			pw = new PrintWriter(new File("data.save"));
		}
		catch(FileNotFoundException e) {
			System.out.println("Error writing to file.");
			System.exit(0);
		}		 

		pw.printf("Hello!");

		pw.close();

	}
}