import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int[] m = new int[n];
    for(int i = 0; i < n; i++) {
      m[i] = sc.nextInt();
    }
    int p = (int)Math.pow(2, n);
    int[] sum = new int[p];
    int[] dp = new int[p];
    for(int i = 1; i < p; i++) {
      for(int j = 0; j < n; j++) {
        if((i & (1 << j)) != 0) sum[i] = (sum[i] + m[j]) % 1000;
      }
    }
    for(int i = 0; i < p; i++) {
      dp[i] = Integer.MAX_VALUE;
    }
    for(int i = 0; i < n; i++) {
      dp[(int)(1 << i)] = m[i];
    }
    for(int i = 1; i < p; i++) {
      for(int j = 0; j < n; j++) {
        if((i & (1 << j)) != 0) {
          int i1 = i - (1 << j);
          int m1 = (int)Math.max(m[j] - sum[i1], 0);
          dp[i] = Math.min(dp[i], dp[i1] + m1);
        }
      }
    }
    System.out.println(dp[p - 1]);
  }
}