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


/* package whatever; // don't place package name! */

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

/* Name of the class has to be "Main" only if the class is public. */
public class Main1
{
    public static void main (String[] args) throws java.lang.Exception
    {
    Scanner in=new Scanner(System.in);
    int x=in.nextInt();
    int arr[][]=new int[7][50],i,j,k=0;
    arr[1][0]=0; arr[1][1]=1;
    arr[2][0]=10; arr[2][1]=11; arr[2][2]=-1;
    for(i=2;i<=5;i++)
    {
    k=0;
    for(j=0;arr[i][j]!=-1;j++)
    {
    
    arr[i+1][k]=Integer.parseInt(String.valueOf(arr[i][j])+"0");
    k++;
    arr[i+1][k]=Integer.parseInt(String.valueOf(arr[i][j])+"1");
    k++;
    
    }
    arr[i+1][k]=-1;
    }
    int index=len(x),count=0;
    int ans[]=new int[1000];
    
    while(x!=0)
    {
        if(index==1) break;
        for(j=(int)Math.pow(2,index-1)-1;j>=0;j--)
        {
            if(arr[index][j]<=x){ x-=arr[index][j];ans[count++]=arr[index][j]; j++; }
            if(index!=len(x)) 
            {
                index=len(x);
                break;
            }
        }
    }
    
    int y=1;
    for(;y<=x;y++)
    {
        ans[count++]=1; 
    }
    System.out.println(count);
    for(i=count-1;i>=0;i--)
    {
        System.out.print(ans[i]+" ");
    }
    System.out.println();
    
}

static int len(int x1)
{   int i;
        for(i=0;x1!=0;i++)
    {   x1=x1/10;}
    return i;
}
}