Go: package main

import (
        "fmt"
)

func main() {
        var n int
        for {
                _, err := fmt.Scanf("%d", &n)
                if err != nil {
                        break
                }
                area := 0
                for i := n; i < 600; i += n {
                        area += i*i * n
                }
                fmt.Printf("%d\n", area)
        }
}

C++: // need
#include <iostream>
#include <algorithm>

// data structure
#include <bitset>
//#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
//#include <array>
//#include <tuple>
//#include <unordered_map>
//#include <unordered_set>
#include <complex>
//#include <deque>
#include<valarray>

// stream
//#include <istream>
//#include <sstream>
//#include <ostream>
#include <fstream>

// etc
#include <cassert>
#include <functional>
#include <iomanip>
//#include <typeinfo>
//#include <chrono>
#include <random>
#include <numeric>

#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);
#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; }
template<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest&...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); }
#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int i=0; i<n; ++i){MACRO_VEC_ROW_Scan(i, __VA_ARGS__);}
template<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest&...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }
template<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest&...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }
#define OUT(d) std::cout<<d;
#define FOUT(n, d) std::cout<<std::fixed<<std::setprecision(n)<<d;
#define SOUT(n, c, d) std::cout<<std::setw(n)<<std::setfill(c)<<d;
#define SP std::cout<<" ";
#define TAB std::cout<<"\t";
#define BR std::cout<<"\n";
#define ENDL std::cout<<std::endl;
#define FLUSH std::cout<<std::flush;
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i;
#define ALL(a) (a).begin(),(a).end()
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)
#define REP(i, n) for(int i=0;i<int(n);++i)
#define RREP(i, n) for(int i=(n)-1;i>=0;--i)
#define FORLL(i, a, b) for(ll i=ll(a);i<ll(b);++i)
#define RFORLL(i, a, b) for(ll i=ll(b)-1;i>=ll(a);--i)
#define REPLL(i, n) for(ll i=0;i<ll(n);++i)
#define RREPLL(i, n) for(ll i=ll(n)-1;i>=0;--i)
#define PAIR std::pair<int, int>
#define PAIRLL std::pair<ll, ll>
#define IN(a, x, b) (a<=x && x<b)
#define SHOW(d) {std::cerr << #d << "\t:" << d << "\n";}
#define SHOWVECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOWVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << " ";}std::cerr << "\n";}}
#define SHOWPAIR(p) {std::cerr << #p << "\t:(" << p.first << ",\t" << p.second << ")\n";}
#define SHOWPAIRVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr<<'('<<yyy.first<<", "<<yyy.second<<") ";}std::cerr << "\n";}}
#define SHOWPAIRVECTOR(v) {for(const auto& xxx:v){std::cerr<<'('<<xxx.first<<", "<<xxx.second<<") ";}std::cerr<<"\n";}
#define SHOWQUEUE(a) {auto tmp(a);std::cerr << #a << "\t:";while(!tmp.empty()){std::cerr << tmp.front() << " ";tmp.pop();}std::cerr << "\n";}
template<typename T> inline T CHMAX(T& a, const T b) { return a = (a < b) ? b : a; }
template<typename T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; }
#define EXCEPTION(msg) throw std::string("Exception : " msg " [ in ") + __func__ + " : " + std::to_string(__LINE__) + " lines ]"
#define TRY(cond, msg) try {if (cond) EXCEPTION(msg);}catch (std::string s) {std::cerr << s << std::endl;}
//void CHECKTIME(std::function<void()> f) { auto start = std::chrono::system_clock::now(); f(); auto end = std::chrono::system_clock::now(); auto res = std::chrono::duration_cast<std::chrono::nanoseconds>((end - start)).count(); std::cerr << "[Time:" << res << "ns  (" << res / (1.0e9) << "s)]\n"; }

#define int ll
using ll = long long;
using ull = unsigned long long;
constexpr int INFINT = 1 << 30;                          // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1;              // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60;                          // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62);  // 9.22x10^18
constexpr double EPS = 1e-7;
constexpr int MOD = 1000000007;
constexpr double PI = 3.141592653589793238462643383279;

signed main() {
	INIT;
	int d;
	while (std::cin >> d) {
		int ans = 0;
		REP(i, 600 / d) {
			ans += i*i*d*d*d;
		}
		OUT(ans)BR;
	}
	return 0;
}

C++: #include<iostream>
#include<string>
#include<vector>
#include<math.h>
using namespace std;

int main() {
	int d;
	while (cin >> d) {
		int s = 0;
		for (int i = 1; i <= 600 / d - 1; i++) {
			s += pow(i*d, 2)*d;
		}
		cout << s << endl;
	}
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rrep(i,n) for (int i=n;^i;i--)
#define ALL(v) v.begin(),v.end()
// #define int ll 
#define eps 1e-9
#define SIZE_OF_ARRAY(array) (sizeof(array)/sizeof(array[0]))

template<class T> inline void chmax(T &a, const T &b) { if(a < b) a = b; }
template<class T> inline void chmin(T &a, const T &b) { if(a > b) a = b; }
typedef long long ll;

signed main(void){
	ll sum;
	int d;
	while(cin){
		sum = 0;
		cin >> d;
		for(int i=0;i<600;i+=d) sum += d*(i*i);
		cout << sum << endl;
	}
}

C++: #include<iostream>
using namespace std;

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

C++: #include<iostream>

#define NUM 20

using namespace std;

int main(){
	
	int d[NUM];
	int s[NUM];
	int i, j;
	
	for (j = 0; j < NUM; j++){
		s[j] = 0;
	}
	cin >> d;
	
	for (j = 0; j < NUM; j++){
		cin >> d[j];
	}
	
	for (j = 0; j < NUM; j++){
		for (i = 1; d[j] * i <= 600 - d[j]; i++){
			s[j] += (i * d[j]) * (i * d[j]) * d[j];
		}
	}
	
	for (j = 0; j < NUM; j++){
		cout << s[j] << endl;
	}
	
	return 0;
}

C++: #include <iostream>

using namespace std;

int main(){
	double d;

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

}

C++: #include <stdio.h>
int main(void){
   
long i,d,b,s,t,y,sum=0;
   while(scanf("%d", &d)!= EOF) {
   b=600/d;
           for(i=1;i<b;i++){
           y=i*d;
           t=y*y;
           s=d*t;
           sum+=s;
       }
       printf("%d",sum);
       if(d == 0) {
   break;
   }
       }
   return 0;
   }

C++: #include<iostream>
using namespace std;
int main(){
	int s,d;
	while(cin>>d){
		s=0;
		for(int i=0;i<600;i+=d){
			s += d*i*i;
		}
		cout<<s<<endl;
	}
	return 0;
}

C++: #include<iostream>
#include<algorithm>
using namespace std;

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

C++: #include <iostream>
#include<math.h>
using namespace std;

int main() {
    int c,d;
    while(cin>>d){
        int sum=0;
        for(int i=1; i*d<600; i++) {
            int res=i*d;
            if(i==1)
              c=d*d*d;
            else
                c=(res*res)*d;
            sum+=c;
        }
        cout<<sum<<endl;
    }
    return 0;
}