import java.io.*;
import java.util.*;


public class Main_yukicoder688 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int k = sc.nextInt();

		for (int i = 0; true; i++) {
			int tmp = (int)Math.sqrt(k * 2);
			if (tmp * (tmp + 1) == k * 2) {
				int cnt = tmp + 1 + i;

				pr.println(cnt);
				for (int j = 0; j < cnt; j++) {
					if (j > 0) {
						pr.print(' ');
					}
					if (j < tmp + 1) {
						pr.print(1);
					} else {
						pr.print(0);
					}
				}
				pr.println();

				return;
			}

			k /= 2;
		}
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(INPUT == null ? System.in : new ByteArrayInputStream(INPUT.getBytes()));
		pr = new Printer(System.out);

		solve();

//		pr.close();
		pr.flush();
//		sc.close();
	}

	static String INPUT = null;

	private static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}