#include <bits/stdc++.h>
using namespace std;
long long pas[1010][1001];
int main() {
  int n;
  long long a = 0, b = 0;
  cin >> n;
  if (n == 1) {
    cout << 1;
    return 0;
  }
  for (int i = 1; i <= max(n, 6); i++) {
    pas[i][1] = 1;
    pas[1][i] = 1;
  }
  for (int i = 2; i <= 6; i++) {
    for (int j = 2; j <= n; j++) {
      pas[i][j] = pas[i - 1][j] + pas[i][j - 1];
    }
  }
  n--;
  a = pas[1][n] + pas[2][n] + pas[3][n] + pas[4][n];
  b = a + pas[5][n] + pas[6][n];
  cout << a * b;
}
