from itertools import permutations
from copy import deepcopy

permlist = list(permutations([5, 6, 7, 8, 9]))
maximum = 0


class Amp:

    def __init__(self, phase, inputlist):
        self.i = 0
        self.phase = phase
        self.inputlist = deepcopy(inputlist)
        self.inputlist[inputlist[1]] = phase
        self.i += 2

    def amp(self, ampinput):
        while self.i < len(inputlist):
            paramlist = [0] * 5
            n = inputlist[self.i]
            for x in range(4, -1, -1):
                paramlist[abs(x - 4)] = n // (10 ** x) % 10
            DE = str(paramlist[3]) + str(paramlist[4])
            C = paramlist[2]
            B = paramlist[1]
            A = paramlist[0]
            if DE == '99':
                return None
            first = inputlist[self.i + 1] if C == 1 else inputlist[inputlist[self.i + 1]]
            if DE == '03':
                inputlist[inputlist[self.i + 1]] = ampinput
                self.i += 2
                continue
            elif DE == '04':
                self.i += 2
                return first
            second = inputlist[self.i + 2] if B == 1 else inputlist[inputlist[self.i + 2]]
            if DE == '01':
                inputlist[inputlist[self.i + 3]] = first + second
                self.i += 4
                continue
            elif DE == '02':
                inputlist[inputlist[self.i + 3]] = first * second
                self.i += 4
                continue
            elif DE == '05':
                if first != 0:
                    self.i = second
                else:
                    self.i += 3
                continue
            elif DE == '06':
                if first == 0:
                    self.i = second
                else:
                    self.i += 3
                continue
            elif DE == '07':
                if first < second:
                    inputlist[inputlist[self.i + 3]] = 1
                else:
                    inputlist[inputlist[self.i + 3]] = 0
                self.i += 4
                continue
            elif DE == '08':
                if first == second:
                    inputlist[inputlist[self.i + 3]] = 1
                else:
                    inputlist[inputlist[self.i + 3]] = 0
                self.i += 4
                continue


for permutation in permlist:
    inputlist = [int(el) for el in open("input7.txt", "r").readline().split(',')]
    a = Amp(permutation[0], inputlist)
    b = Amp(permutation[1], inputlist)
    c = Amp(permutation[2], inputlist)
    d = Amp(permutation[3], inputlist)
    e = Amp(permutation[4], inputlist)
    curr = e.amp(d.amp(c.amp(b.amp(a.amp(0)))))
    while curr != None:
        curr = e.amp(d.amp(c.amp(b.amp(a.amp(curr)))))
        if curr > maximum:
            maximum = curr
        else:
            break