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

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int k = sc.nextInt();
        if (k == 0) {
            System.out.println(0);
            return;
        }
        HashMap<Integer, Integer> base = new HashMap<>();
        for (int i = 2; i <= 30; i++) {
            base.put(i * (i - 1) / 2, i);
        }
        int idx = 0;
        while (true) {
            if (base.containsKey(k) && base.get(k) + idx <= 30) {
                System.out.println(idx + base.get(k));
                StringBuilder sb = new StringBuilder();
                sb.append("1");
                for (int i = 1; i < base.get(k); i++) {
                    sb.append(" 1");
                }
                for (int i = 0; i < idx; i++) {
                    sb.append(" 0");
                }
                System.out.println(sb);
                return;
            }
            k >>= 1;
            idx++;
        }
    }
}

class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}