package no286;

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

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] a = new int[n];
		for(int i=0;i<n;i++) {
			a[i] = sc.nextInt();
		}
		int[] dp = new int[1<<n];
		Arrays.fill(dp, 1<<29);
		dp[0] = 0;
		for(int i=0;i<1<<n;i++) {
			int discount = 0;
			for(int j=0;j<n;j++) {
				if ((i >> j & 1) == 1) {
					discount += a[j];
				}
			}
			discount %= 1000;
			for(int j=0;j<n;j++) {
				if ((i >> j & 1) == 0) {
					int to = i|(1<<j);
					dp[to] = Math.min(dp[to], dp[i] + Math.max(a[j] - discount , 0));
				}
			}
		}
		System.out.println(dp[(1<<n)-1]);

	}

}