#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

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

    int r = 0;
    for (int i = 0; i <= n; i++) {
        for (int j = 0; j <= i; j++) {
            for (int k = 0; k <= n; k++) {
                if (i * 5 + j * 2 + k * 3 == n) r++;
            }
        }
    }

    cout << r << endl;

    return 0;
}