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

dp = [float('inf')]*(1<<N)
for i in range(N):
    dp[1<<i] = M[i]

for i in range(1<<N):
    c = 0
    for j in range(N):
        if i&(1<<j):
            c += M[j]
    c %= 1000
    for j in range(N):
        if not i&(1<<j):
            dp[i^(1<<j)] = min(dp[i^(1<<j)],dp[i]+max(0,M[j]-c))
print(dp[-1])