N = int(input())
D = list(map(int, input().split()))
# 残り体力
dp = [0] * (1 << N)
dp[0] = 100
for msk in range(1 << N):
    if dp[msk] <= 0:
        continue
    # 最大体力を計算
    limit = 100
    for j in range(N):
        if msk & 1 << j and D[j] < 0:
            # 悪いモンスターのとき
            limit += 100

    for i in range(N):
        if msk & 1 << i:
            continue
        if D[i] > 0:
            dp[msk | 1 << i] = max(dp[msk | 1 << i], min(dp[msk] + D[i], limit))
        else:
            dp[msk | 1 << i] = max(dp[msk | 1 << i], dp[msk] + D[i])
print(dp[-1])