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class Monkey
def initialize(items, op, test, iftrue, iffalse)
@items = items
@op = op
@test = test
@iftrue = iftrue
@iffalse = iffalse
@inspections = 0
end
attr_reader :items, :inspections
def <<(item)
@items << item
end
def turn(wl)
@inspections += @items.count
ret = []
until @items.empty?
old = @items.shift
new = eval(@op) % wl
ret << [(new % @test == 0 ? @iftrue : @iffalse), new]
end
ret
end
end
class Game
def initialize
@monkeys = []
@worry_limit = 1
end
attr_accessor :worry_limit
def <<(monkey)
@monkeys << monkey
end
def round
@monkeys.each do |monkey|
monkey.turn(@worry_limit).each do |tom, val|
@monkeys[tom] << val
end
end
end
def inspections
@monkeys.map(&:inspections)
end
end
lines = $stdin.readlines.map(&:strip).reject(&:empty?)
game = Game.new
wl = 1
lines.each_slice(6) do |mkls|
items = mkls[1].scan(/\d+/).map(&:to_i)
op = mkls[2].split(" = ")[1]
test = mkls[3].scan(/\d+/)[0].to_i
wl *= test
ift = mkls[4].scan(/\d+/)[0].to_i
iff = mkls[5].scan(/\d+/)[0].to_i
game << Monkey.new(items, op, test, ift, iff)
end
game.worry_limit = wl
10_000.times do |i|
game.round
end
puts game.inspections.max(2).inject(&:*)
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