#include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> P;

#define MOD 1000000007
#define REP(i, N) for (int i = 0; i < N; ++i)
#define REP1(i, N) for (int i = 1; i <= N; ++i)
#define RREP(i, N) for (int i = N - 1; i >= 0; --i)
#define ALL(a) a.begin(), a.end()

int main() {
  int d;
  while (cin >> d) {
    int ans = 0;
    for (int i = d; i <= 600 - d; i += d) {
      ans += i * i * d;
    }
    cout << ans << endl;
  }
  return 0;
}
