#include<cstring>

#include<iostream>

#include<cctype>

#include<cstdio>

#include<algorithm>

using namespace std;

inline int read()

{

    register int X=;register char ch=;

    for(;!isdigit(ch);ch=getchar());

    for(;isdigit(ch);ch=getchar()) X=(X<<)+(X<<)+ch-'';

    return X;

}

inline void write(int x)

{

     if(x>) write(x/);

     putchar(x%+'');

}

int n,ans,b[],m;

int main()

{

    n=read();

    m=n;

    while(m>>=) ans++;

    m=ans+,ans=;

    while(n)

    {

        b[m-(++ans)]=(n& ? (n>>)+ : n>>);

        n>>=;

    }

    write(ans),putchar('\n');

    for(int i=;i<ans;i++) write(b[i]),putchar(' ');

}