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; i <= 30; i++) {
			for (int j = 0; i + j <= 30; j++) {
				long tmp = i * (i - 1) / 2;
				for (int l = 0; l < j; l++) {
					tmp *= 2;
				}

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

					return;
				}
			}
		}
	}

	// ---------------------------------------------------
	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);
		}
	}
}