#define _CRT_SECURE_NO_WARNINGS
#include "bits/stdc++.h"
#define P(p) cout<<(p)<<endl;
using namespace std;
typedef long long ll;
int dx[] = { 0, 1, 0, -1 };
int dy[] = { -1, 0, 1, 0 };

int sttoi(std::string str) {
	int ret;
	std::stringstream ss; ss << str;
	ss >> ret;
	return ret;
}

ll gcd(ll a, ll b){
	if (b > a)swap(a, b); if (b == 0)return a; else{ return gcd(b, a%b); }
}

void solve() {
	int n;
	int A[20];
	int dp[1<<16];
	cin >> n;
	for (int i = 0; i < n; i++)cin >> A[i];
	for (int i = 0; i < (1 << n); i++)dp[i] = 1 << 20;
	dp[0] = 0;
	for (int d = 0; d < (1<<n)-1; d++){
		int sum = 0;
		for (int i = 0; i < n; i++){
			if (d&(1<<i)) sum += A[i];
		}
		sum %= 1000;
		for (int i = 0; i < n; i++){
			if (!(d & (1 << i))){
				dp[d | (1 << i)] = min(dp[d | (1 << i)], dp[d] + max(0,A[i]-sum));
			}
		}
	}
	P(dp[(1 << n) - 1]);
}

int main() {
	solve();
	return 0;
}