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path: root/01/2.lua
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local calories = {0}
for line in io.lines() do
	if line == "" then
		calories[#calories + 1] = 0
	else
		calories[#calories] = calories[#calories] + tonumber(line)
	end
end
table.sort(calories, function(a,b) return a > b end)
print(calories[1] + calories[2] + calories[3])