#include<iostream>
using namespace std;
int n;
int a[1000000];
int sum[1000000];
int main(int argc, char const *argv[])
{

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

	


