#include <iostream>
#include <string>
#include <utility>
#include <algorithm>
#include <map>
#include <vector>
#include <cmath>
#include <cstdlib>
#include <queue>

using namespace std;

#define REP(i, n) for(int i = 0;i < n;i++)
#define REPR(i, n) for(int i = n;i >= 0;i--)
#define FOR(i, m, n) for(int i = m;i < n;i++)
#define FORR(i, m, n) for(int i = n;i >= m;i--)
#define REPO(i, n) for(int i = 1;i <= n;i++)
#define ll long long
#define INF 1999999999
#define MINF -1999999999
#define ALL(n) n.begin(),n.end()
int dp[1100][1100];

int main() {
	ll n,ans;
	while (cin >> n) {
		ans = 0;
		REPO(i, (600 - n) / n) ans += i * n* i* n * n;
		cout << ans << endl;
	}
}
