import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class IntegerTest {

	public static Byte[] encode(int value) {
		List<Byte> result = new ArrayList<>();

		for (int i = 0; i < value; i++) {
			result.add((byte) 0xFF);
		}

		result.add((byte) 0x00);

		return result.toArray(new Byte[result.size()]);
	}

	public static void main(String[] args) throws IOException {
		int number = Integer.valueOf(args[0]);

		Byte[] objects = encode(number);
		byte[] bytes = new byte[objects.length];
		for (int i = 0; i < bytes.length; i++) {
			bytes[i] = objects[i];
		}

		System.out.write(bytes);
	}
}