f = open('text.txt')

xnums = list(map(int, f.readline().strip().split(',')))


def process():
    nums = xnums[:]
    for k in range(100):
        for j in range(100):
            nums = xnums[:]
            nums[1] = k
            nums[2] = j
            i = 0
            while True:
                if nums[i] == 1:
                    nums[nums[i + 3]] = nums[nums[i + 1]] + nums[nums[i + 2]]
                elif nums[i] == 2:
                    nums[nums[i + 3]] = nums[nums[i + 1]] * nums[nums[i + 2]]
                elif nums[i] == 99:
                    break
                else:
                    break
                i += 4
            if nums[0] == 19690720:
                return 100 * nums[1] + nums[2]


print(process())