#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)





int N;
int M[15];
//-----------------------------------------------------------------
#define INF INT_MAX/2
int dp[1 << 15];
int main() {
	cin >> N;
	rep(i, 0, N) cin >> M[i];

	rep(i, 0, 1 << N) dp[i] = INF;
	dp[0] = 0;

	rep(ma, 0, 1 << N) {
		rep(i, 0, N) if (!(ma & (1 << i))) {
			int mama = ma + (1 << i);

			int discount = 0;
			rep(j, 0, N) if (ma & (1 << j)) discount += M[j];
			discount %= 1000;

			int price = max(0, M[i] - discount);
			dp[mama] = min(dp[mama], dp[ma] + price);
		}
	}

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