111111
 100009
 10011
 1000000
 8
 10201
 102030
 908172
 123456
 415
 900000
 21
 909090
 314159
 999999
 909823
 987654
 1453
 1435
 98
 10
 2
 1

1
111111
 9
100001 1 1 1 1 1 1 1 1
 1
10011
 1
1000000
 8
1 1 1 1 1 1 1 1
 2
10101 100
 3
101010 1010 10
 9
101111 101011 101010 101010 101010 101010 101010 101000 100000
 6
111111 11111 1111 111 11 1
 5
111 101 101 101 1
 9
100000 100000 100000 100000 100000 100000 100000 100000 100000
 2
11 10
 9
101010 101010 101010 101010 101010 101010 101010 101010 101010
 9
111111 101011 101011 1011 11 1 1 1 1
 9
111111 111111 111111 111111 111111 111111 111111 111111 111111
 9
101111 101111 101101 101100 101100 101100 101100 101100 101000
 9
111111 111111 111111 111111 111110 111100 111000 110000 100000
 5
1111 111 111 110 10
 5
1111 111 111 101 1
 9
11 11 11 11 11 11 11 11 10
 1
10
 2
1 1
 1
1

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;

public class codeforce538B {

    static PrintWriter out;
    static StreamTokenizer sin;
    static BufferedReader bin;
    static int [] binar;

    static void setupOut() {
        out = new PrintWriter(System.out);
    }

    static void setupString() {
        bin = new BufferedReader(new InputStreamReader(System.in));
    }

    static void setupValue() {
        sin = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
    }

    static int nextInt() throws IOException {
        sin.nextToken();
        return (int) sin.nval;
    }

    public static void main(String[] args) throws IOException {
        setupOut();
        setupString();
        setupValue();
        int x = nextInt();
        int [] value = new int[64];
        ArrayList<Integer> result = new ArrayList<>();
        binar = new int[64];
        for (int i = 0; i < 64; i++) {
            value[i]=i+1;
            binar[i] = Integer.parseInt(Integer.toString(value[i],2));
        }
        int max = maximum(x);
        //System.out.println("x = "+x+" max = "+max);
        while (x!=0){
            x-=max;
            result.add(max);
            max = maximum(x);
           // System.out.println("x = "+x+" max = "+max);
        }
        printRes(result);
    }
    static int maximum(int x){
        int max = 0;
        int index = 0;
        for (int i = 0; i < 64; i++) {
            if (binar[i]>x){
                index = i-1;
                break;
            }
        }
        if (index==-1)
            return binar[0];
        else
            return binar[index];
    }
    static void printRes(ArrayList<Integer> x){
        System.out.println(x.size());
        for (int i = 0; i < x.size(); i++) {
            System.out.print(x.get(i)+" ");
        }
    }

}