#include <iostream>
#include <vector>
#include <map>
#include <unordered_map>
#include <limits>
#include <algorithm>
#include <queue>
#include <set>
#include <unordered_map>
#include <numeric>
#include <cmath>
#include <iomanip>
#include <stack>
#include <string>
#include <functional>
using namespace std;

using i64 = long long int;
using ui64 = unsigned long long int;

using P = pair<int, int>;

constexpr int INF = (1 << 30);
constexpr i64 INF64 = (1LL << 60);
constexpr int MOD = 1000000000 + 7;

int dx[] = { -1, 0, 1, 0 };
int dy[] = { 0, 1, 0, -1 };

template <typename T, typename U>
static inline std::vector<U> makeNdVector(T n, U val) noexcept {
   static_assert(std::is_integral<T>::value, "[makeNdVector] 1st argument must be an integer type");
   return std::vector<U>(std::forward<T>(n), std::forward<U>(val));
}

template <typename T, typename ...Args>
static inline decltype(auto) makeNdVector(T n, Args... args) noexcept {
   static_assert(std::is_integral<T>::value, "[makeNdVector] 1st argument must be an integer type");
   return std::vector<decltype(makeNdVector(std::forward<Args>(args)...))>(std::forward<T>(n), makeNdVector(std::forward<Args>(args)...));
}

template <typename T>
void print(vector<T> vec)
{
   for (auto &e : vec)
      cout << e << " ";
   cout << endl;
}

template <typename T>
T gcd(T x, T y) {
   if (x == 0 || y == 0) return 0;
   T r;
   while ((r = x % y) != 0) {
      x = y;
      y = r;
   }
   return y;
}

template <typename T>
T lcm(T x, T y) {
   if (x == 0 || y == 0) return 0;
   return (x / gcd(x, y) * y);
}

int next_combination(int sub)
{
   int x = sub & -sub, y = sub + x;
   return (((sub & ~y) / x) >> 1) | y;
}

std::uint64_t combination(int n, int r) {
   if (n < 0 || r < 0) return 0;
   if (n < r) return 0;
   std::uint64_t k = 1;
   for (std::uint64_t d = 1; d <= r; ++d) {
      k *= n--;
      k /= d;
   }
   return k;
}

bool check(string str) {
	for (int i = 0; i < str.length() / 2; ++i) {
		if (str[i] != str[str.length() - 1 - i]) {
			return false;
		}
	}
	return true;
}


signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	using P = pair<i64, i64>;

	int N; cin >> N;
	vector<i64> M(N);
	for (int i = 0; i < N; ++i) cin >> M[i];

	vector<i64> dp(1 << N, INF);
	dp[0] = 0;
	for (int i = 0; i < (1 << N); ++i) {
		i64 sum = 0;
		for (int j = 0; j < N; ++j) {
			if ((i&(1 << j))) sum += M[j];
		}
		sum %= 1000;
		for (int j = 0; j < N; ++j) {
			if ((i&(1 << j)) == 0) {
				i64 cost = M[j] - sum;
				if (cost < 0) cost = 0;
				dp[i | (1 << j)] = min(dp[i | (1 << j)], dp[i] + cost);
			}
		}
	}

	cout << dp[(1 << N) - 1] << endl;
}