/*
    Failure is not a reason for you to stop trying
       it is actually a reminder that you should
            KEEP GOING
*/
#include <bits/stdc++.h>
#define ll long long
#define SaveTime ios_base::sync_with_stdio(false), cin.tie(0);

using namespace std;

int main() {
   ll x; cin >> x;
   ll n = 1;
   vector<int> v;
   while (x) {
      if (n >= x) {
         v.push_back(x);
         break;
      }
      v.push_back(n);
      x-= n;
      n++;
   }
   if (v.size() == 1) {
      cout << 1 << endl << v[0];
      return 0;
   }
   if (v.back() <= v[n-2]) {
      v[n-2]+= v.back();
      v.pop_back();
   }
   cout << v.size() << '\n';
   for (int i : v) {
      cout << i << ' ';
   }
}