# Here your code !

n = gets.to_i
S = 1 << n
D = gets.split.map(&:to_i)
HP = Array.new(S, 0)
HPMAX = Array.new(S, 100)
HP[0] = 100 # HP[s]はsのモンスターに出会った後の残HP
HPMAX[0] = 100 # HPMAX[s]はsのモンスターに出会った後の最大HP

S.times do |s|
    n.times do |i|
        mask = 1 << i
        if s & mask > 0 && D[i] < 0 
            HPMAX[s] += 100
        end
    end
    next if HP[s] <= 0
    n.times do |i|
        mask = 1 << i
        if s & mask == 0 
            if D[i] > 0
                hp = HP[s] + D[i] < HPMAX[s] ? HP[s] + D[i] : HPMAX[s]
                other = HP[s | mask]
                HP[s | mask] =  [hp, other].max
            else
                hp = HP[s] + D[i]
                other = HP[s | mask]
                HP[s | mask] = [hp, other].max
            end
        end
    end
end
puts HP[S - 1]