func main()
	var mp: dict<int, char> :: #dict<int, char>
	for i(0, 2)
		var h: int :: cui@inputInt()
		do mp.add((200 - h), 'A'.offset(i))
	end for
	var values: []char
	block
		var valueList: List :: #List
		class List()
			+var li: list<char>
			*func ctor()
				do me.li :: #list<char>
			end func
		end class
		do mp.forEach(callback, valueList $ kuin@Class)
		func callback(key: int, value: char, data: kuin@Class): bool
			do(data $ List).li.add(value)
			ret true
		end func
		do values :: valueList.li.toArray()
	end block
	for i(0, 2)
		do cui@print("\{values[i]}\n")
	end for
end func