#!/usr/bin/env python3
# %%
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines


# %%
N, *D = map(int, read().split())

# %%
HP_limit = [100]
for x in D:
    if x > 0:
        HP_limit += HP_limit
    else:
        HP_limit += [y + 100 for y in HP_limit]


# %%
dp = [0] * (1 << N)
dp[0] = 100
for n in range(1 << N):
    for i, d in enumerate(D):
        if n & (1 << i):
            continue
        if not dp[n]:
            continue
        m = n ^ (1 << i)
        if d > 0:
            x = min(dp[n] + d, HP_limit[n])
        else:
            x = dp[n] + d
        if dp[m] < x:
            dp[m] = x


# %%
print(max(0, dp[-1]))