io.input("test")
io.input("input")

calories = {0}
i = #calories
for line in io.lines() do
	if line ~= "" then
		calories[i] = calories[i] + tonumber(line)
	else
		table.insert(calories, 0)
		i = #calories
	end
end

max = 0
maxa, maxb, maxc = 0, 0, 0
for i, c in ipairs(calories) do
	if c>max then
		max = c
	end
	if c>maxa then
		maxc = maxb
		maxb = maxa
		maxa = c
	elseif c>maxb then
		maxc = maxb
		maxb = c
	elseif c>maxc then
		maxc = c
	end
--	print(c)
end

part1 = maxa
part2 = maxa+maxb+maxc
assert(part1==71506)
assert(part2==209603)
print("part 1", part1)
print("part 2", part2)

-- using table.sort
table.sort(calories, function(a,b) return (a>b) end)
part1 = calories[1]
part2 = calories[1]+calories[2]+calories[3]
print("part 1", part1)
print("part 2", part2)