#include <iostream> #define ll long long using namespace std; ll a[1100]; void f(ll n) { ll k = 0; for(ll i = 2; ; i++) { a[++k] = i; if(n < i) break; n -= i; } for(ll i = 1; i <= n; i++) a[k - i]++; ll mul = 1; for(ll i = 1; i < k; i++) mul *= a[i]; cout << mul << endl; } int main() { ll n; cin >> n; f(n); return 0; }