#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  while (cin >> a) {
    b = 0;
    for (int i = 0; i < min(a, 1000); i++)
      for (int j = 0; j < min(a, 1000); j++)
        for (int k = 0; k < min(a, 1000); k++)
          for (int l = 0; l < min(a, 1000); l++)
            if (i + j + k + l == a) b++;
    cout << b + 4 << endl;
  }
}
