#include <stdio.h>

int main(void){
    int d;
    int s;
    int d3;
	
    while (scanf("%d", &d)){
        s=0;
        d3 = d*d*d;
        for (int i=0; i<600/d; i++){
            s += d3*i*i;
        }
	printf("%ld\n", s);
    }
    return 0;
}