#region Header
#!/usr/bin/env python3
# from typing import *

import sys
import io
import math
import collections
import decimal
import itertools
import bisect
import heapq


def input():
    return sys.stdin.readline()[:-1]


# sys.setrecursionlimit(1000000)
#endregion

_INPUT = """14
5060
4872
2727
5342
4017
6139
3309
8257
7731
7938
877
1419
9136
9795
"""
sys.stdin = io.StringIO(_INPUT)


def main():
    N = int(input())
    M = [int(input()) for _ in range(N)]

    dp = [0] * (1<<N)
    for i in range(N):
        dp_next = [0] * (1<<N)

        for s in range(1<<N):
            regular_price = 0
            n = 0
            for j in range(N):
                if s & (1<<j) > 0:
                    n += 1
                    regular_price += M[j]
            if n > i:
                continue
            discount = regular_price % 1000

            for k in range(N):
                # 商品k が購入されていないなら、購入する
                if s & (1<<k) == 0:
                    s1 = s | (1<<k)
                    dp_next[s1] = max(dp_next[s1], dp[s] + min(discount, M[k]))
        dp = dp_next

    max_discount = dp[(1<<N)-1]
    price = sum(M) - max_discount
    print(price)


if __name__ == '__main__':
    main()