#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using namespace std;
using ll=long long;
using ld=long double;
ll inf=999999999999999999;
ll mod=1000000007 ;
int main(){
    ll n;
    cin >> n;
    vector<ll>a(n+1,1);
    vector<ll>ans(n+1,1);
    for (ll i = 0; i < 7; i++)
    {
        vector<ll>b=convolution_ll(ans,a);
        ans=b;
    }
    cout << ans[6*n] << endl;
}