#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define mod 998244353
#define mxn 1000
#define inf 1000000000000000001ll
int main()
{
ios::sync_with_stdio(0);
ll t = 1;
//cin >> t;
while(t--)
{
ll x;
cin >> x;
ll num = 1;
set<ll> s;
while(true)
{
if(x-num<0)
break;
s.insert(num);
x -= num;
num++;
}
while(s.find(x)!=s.end())
{
s.erase(s.find(x));
if((s.find(2*x)!=s.end()))
{
x*=2;
continue;
}
s.insert(2*x);
break;
}
cout << s.size() << endl;
for(auto ss : s)
cout << ss << " ";
}
return 0;
}
Copy