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.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;


public class B {
	private static BufferedReader in;
	private static StringTokenizer st;
	private static PrintWriter out;

	public static void main(String[] args) throws NumberFormatException, IOException {
		Locale.setDefault(Locale.US);
		in = new BufferedReader(new InputStreamReader(System.in));
		st = new StringTokenizer("");
		out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
		int n = nextInt();
		ArrayList<Integer> list = new ArrayList<Integer>();
		for (int i = 1; i <=n; i++) {
			if(quasyBinary(i)){
				list.add(i);
			}
		}
		ArrayList<Integer> ans = new ArrayList<Integer>();
		for (int i = list.size() - 1; i >= 0; i--) {
			while(n >= list.get(i)){
				n -= list.get(i);
				ans.add(list.get(i));
			}
		}
		out.println(ans.size());
		for (Integer i : ans) {
			out.print(i+" ");
		}
		out.close();
	}

	private static boolean quasyBinary(int n) {
		
		while(n > 0){
			int mod = n % 10;
			if(mod > 1)
				return false;
			n /= 10;
		}
		return true;
	}

	private static double nextDouble() throws NumberFormatException, IOException {
		return Double.parseDouble(next());
	}

	private static long nextLong() throws NumberFormatException, IOException {
		return Long.parseLong(next());
	}

	private static int nextInt() throws NumberFormatException, IOException {
		return Integer.parseInt(next());
	}

	private static String next() throws IOException {
		while(!st.hasMoreTokens())
			st = new StringTokenizer(in.readLine());
		return st.nextToken();
	}
}
