#include <algorithm>
#include <cmath>
#include <cstdio>
#include <deque>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>

using namespace std;

typedef long long ll;

#define MOD 1000000007

int main() {
  int n;
  cin >> n;
  int ans = 0;
  for (int i = 0; i <= n; ++i) {
    for (int j = 0; j <= i; ++j) {
      for (int k = 0; k <= n; ++k) {
        if (5 * i + 2 * j + 3 * k == n) {
          ans++;
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}