import sys


def input(): return sys.stdin.readline().rstrip()


def main():
    N = int(input())
    *D, = map(int, input().split())

    DP = [0]*(1 << N)

    DP[0] = 100
    for i in range(0, 1 << N):
        if DP[i] == 0:
            continue

        mhp = 100
        for j in range(N):
            if D[j] < 0 and i & (1 << j):
                mhp += 100

        for j in range(N):
            if i & (1 << j) == 0:
                DP[i | (1 << j)] = max(
                    DP[i | (1 << j)], min(mhp, DP[i] + D[j]))

    print(DP[-1])


if __name__ == '__main__':
    main()