#include <bits/stdc++.h>
#define GET_MACRO(a, b, c, NAME, ...) NAME
#define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__)
#define rep2(i, a) rep3 (i, 0, a)
#define rep3(i, a, b) for (int i = (a); i < (b); i++)
#define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__)
#define repr2(i, a) repr3 (i, 0, a)
#define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define chmin(a, b) ((b) < a && (a = (b), true))
#define chmax(a, b) (a < (b) && (a = (b), true))
using namespace std;
typedef long long ll;

const int inf = 1e9;
int dp[1 << 16];

int main() {
	int N;
	cin >> N;
	vector<int> M(N);
	rep (i, N) cin >> M[i];
	rep (i, 1 << 16) dp[i] = inf;
	dp[0] = 0;
	rep (i, 1 << N) {
		int sum = 0;
		rep (j, N) if (i & 1 << j) sum += M[j];
		sum %= 1000;
		rep (j, N) {
			if (!(i & 1 << j)) {
				chmin(dp[i | 1 << j], dp[i] + max(0, M[j] - sum));
			}
		}
	}
	cout << dp[(1 << N) - 1] << endl;
	return 0;
}