#include <bits/stdc++.h>
using namespace std;
int c[1005];
int a[12] = {0, 4, 10, 20, 35, 56, 83, 116, 155, 198, 244, 292};
int main() {
  long long n;
  while (cin >> n) {
    if (n <= 11) {
      cout << a[n] << endl;
    } else {
      long long m;
      m = a[11] + (n - 11) * 49;
      cout << m << endl;
    }
  }
  return 0;
}
