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#include<bits/stdc++.h>

using namespace std;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int n; cin>>n;
	vector<int> dp(n+1);
	dp[0] = 0;
	for(int i= 1; i <= n; i++){
		int k = dp[i-1];
		while(!(dp[i - __builtin_popcount(k)] < k))k++;
		dp[i] = k;
	}
	//for(int i= 0; i <= n; i++)cout<<dp[i]<<" ";
	int current = n;
	vector<int> ans;
	while(current > 0){
		ans.push_back(dp[current]);
		current -= __builtin_popcount(dp[current]);
	}
	cout<<ans.size()<<"\n";
	for(auto x : ans)cout<<x<<" ";
	cout<<"\n";
	return 0;
}