#include <cstdio>
#include <iostream>
#include <string>
#include <sstream>
#include <stack>
#include <algorithm>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <cstdlib>
#include <bitset>
#include <tuple>
#include <assert.h>
#include <deque>
#include <bitset>
#include <iomanip>
#include <limits>
#include <chrono>
#include <random>
#include <array>
#include <unordered_map>
#include <functional>
#include <complex>
#include <numeric>
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
constexpr long long MAX = 5100000;
constexpr long long INF = 1LL << 60;
constexpr int inf = 1000000007;
constexpr long long mod = 1000000007LL;
//constexpr long long mod = 998244353LL;
const long double PI = acos((long double)(-1));

using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;


int main()
{
	/*
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	*/
	int n; scanf("%d", &n);
	vector<int> m(n); for (int i = 0; i < n; i++) scanf("%d", &m[i]);
	vector<int> dp(1 << n, inf);
	dp[0] = 0;
	vector<int> sub(1 << n);
	for (int S = 0; S < (1 << n); S++) {
		int sum = 0;
		for (int bit = 0; bit < n; bit++) {
			if (S >> bit & 1) {
				sum += m[bit];
			}
		}
		sub[S] = sum % 1000;
	}
	for (int S = 1; S < (1 << n); S++) {
		for (int bit = 0; bit < n; bit++) {
			if (S >> bit & 1) {
				chmin(dp[S], dp[S ^ (1 << bit)] + max(m[bit] - sub[S ^ (1 << bit)], 0));
			}
		}
	}
	cout << dp[(1 << n) - 1] << endl;
	return 0;
}