import sys
from collections import defaultdict
from itertools import accumulate


def input(): return sys.stdin.readline().rstrip('\n')


def main():
    n = int(input())
    m = [int(input()) for _ in range(n)]
    dp = [float('inf')] * (1 << n)
    md = [0] * (1 << n)
    for i in range(1 << n):
        for j in range(n):
            if (i & (1 << j)) != 0:
                md[i] = (md[i] + m[j]) % 1000

    dp[0] = 0
    for i in range((1 << n) - 1):
        for j in range(n):
            if (i & (1 << j)) == 0:
                dp[i | (1 << j)] = min(dp[i | (1 << j)], dp[i] + max(0, m[j] - md[i]))
    return dp[-1]


if __name__ == '__main__':
    ret = main()
    if ret is not None:
        print(ret)