#!/usr/bin/env luajit
require("deque")
require("utils")

opening = {
	["["] = "]",
	["{"] = "}",
	["<"] = ">",
	["("] = ")",
}

score = {
	["]"] = 57,
	["}"] = 1197,
	[">"] = 25137,
	[")"] = 3,
}

local sum = 0

for line in io.lines(arg[3]) do
	d = deque()
	for c in chars(line) do
		if opening[c] then
			d:append(opening[c])
		else
			if c ~= d:pop() then
				sum = sum + score[c]
				break
			end
		end
	end
end

print(sum)