#!/usr/bin/env python3

lines = (x.strip() for x in open("input.txt"))
monkeys = []


def create_op(op_line):
    if "old * old" in op_line:
        return lambda x: x**2
    val = int(op_line[6:])
    if "*" in op_line:
        return lambda x: x*val
    return lambda x: x+val


for line in lines:
    monkeys.append({
        "items": [*map(int, next(lines)[16:].split(", "))],
        "op": create_op(next(lines)[17:]),
        "div": int(next(lines)[19:]),
        "if_true": int(next(lines)[25:]),
        "if_false": int(next(lines)[26:]),
        "count": 0
    })
    next(lines, None)

for _ in range(20):
    for idx, monkey in enumerate(monkeys):
        while monkey['items']:
            monkey['count'] += 1
            worry = monkey['op'](monkey['items'].pop(0)) // 3
            monkeys[monkey['if_true' if worry % monkey['div'] == 0 else 'if_false']]['items'].append(worry)

insp = sorted(monkey['count'] for monkey in monkeys)
print(insp[-2]*insp[-1])