#include<stdio.h>
#include<iostream>
#include<math.h>
#include<algorithm>
#include<string>
using namespace std;

int main() {
	int d, i;
	while (cin >> d) {
		int s = 0;
		for (i = 1; i < 600 / d; i++) {
			s += d * i * d * i * d;
		}
		cout << s <<endl;
	}

	return 0;
}