//https://ncode.syosetu.com/n4830bu/287/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
    ll N;
    cin >> N;
    vector<ll> maine(N * 2 + 1);
    maine[0] = 1;
    for (int _ = 0; _ < 8; _++) {
        vector<ll> book(N * 2 + 1);
        for (int i = 0; i <= N * 2; i++) {
            for (int j = 0; j <= N; j++) {
                if (i + j > N * 2)
                    break;
                book[i + j] += maine[i];
            }
        }
        swap(maine, book);
    }
    cout << maine[N * 2] << endl;
}