import java.util.Arrays;
import java.util.Scanner;

public class Yuki_528 {
    int[] data;

    int totalMoney(int bit) {
        int total = 0;
        for (int i = 0; bit >> i > 0; i++) {
            if (((1 << i) & bit) > 0) {
                total += data[i];
            }
        }
        return total;
    }

    public Yuki_528() {
        Scanner scanner = new Scanner(System.in);
        int N = scanner.nextInt();
        data = new int[N];
        for (int i = 0; i < N; i++) {
            data[i] = scanner.nextInt();
        }
        int[] dp = new int[(1 << N)];
        Arrays.fill(dp, Integer.MAX_VALUE);
        dp[0] = 0;
        for (int mask = 0; mask < 1 << N; mask++) {
            for (int i = 0; i < N; i++) {
                if ((mask & (1 << i)) == 0) {
                    int nextMask = mask | (1 << i);
                    int buy = data[i] - Math.min(data[i], (totalMoney(mask) % 1000));

                    dp[nextMask] = Math.min(dp[nextMask], buy + dp[mask]);

                }
            }
        }

        System.out.println(dp[(1 << N) - 1]);
    }

    public static void main(String[] args) {
        Yuki_528 hoge = new Yuki_528();
    }
}