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

inf = 10**12
dp = [[inf]*N for _ in range(2**N)]
dp[0] = [0]*N
for bit in range(2**N):
  for r in range(N):
    if bit>>r & 1:
      continue
    dis = 0
    for l in range(N):
      if bit>>l & 1:
        dis += M[l]
        dis %= 1000
    price = max(0, M[r]-dis)
    dp[bit+2**r][r] = min(dp[bit+2**r][r], min(dp[bit])+price)

print(min(dp[2**N-1]))