#include<bits/stdc++.h> using namespace std; int N=3e7; uint64_t s = N, t = 0; uint64_t next() { s ^= (s << 13); s ^= (s >> 7); s ^= (s << 17); return s; } int main(){ int n;cin>>n; if(n!=5) return 0; vector <long long> vec(N), sum(N); for (int i = 0; i < N; ++i) vec[i] = i + N; sum[0] = vec[0]; for (int i = 1; i < N; ++i) sum[i] = sum[i - 1] + vec[i]; unsigned long long ans = 0; for (int i = 0; i < N; ++i) ans += vec[i] + sum[i]; cout << ans << endl; }