#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001

long long get(long long n){
	long long ok = 1,ng = Inf32+3;
	while(ng-ok>1){
		long long m = (ok+ng)/2;
		if(m*m>n)ng = m;
		else ok = m;
	}
	return ok*ok;
}

int main(){
	
	long long s;
	cin>>s;
	vector<long long> ans;
	while(s!=0){
		long long t = get(s);
		ans.push_back(t);
		s -= t;
	}
	cout<<ans.size()<<endl;
	rep(i,ans.size()){
		if(i!=0)cout<<' ';
		cout<<ans[i];
	}
	cout<<endl;
	
	return 0;
}