#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
typedef long long ll;
using namespace std;

int main() {
    int n;
    cin >> n;

    int ans = 0;
    for (int i = 0; i <= 20; ++i) {
        for (int j = 0; j <= i; ++j) {
            for (int k = 0; k <= 34; ++k) {
                if (5 * i + 2 * j + 3 * k > n)
                    break;

                if (5 * i + 2 * j + 3 * k == n)
                    ++ans;
            }
        }
    }

    cout << ans << endl;

    return 0;
}