#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  while (cin >> n) {
    int a, b, c, d, e = 0;
    for (a = 0; a <= n; a++) {
      for (b = 0; b <= n; b++) {
        for (c = 0; c <= n; c++) {
          d = n - a - b - c;
          if (d >= 0) e++;
          if (a + b + c > n) break;
        }
        if (a + b > n) break;
      }
    }
    cout << e << endl;
  }
}
