func main()
	var n: int :: cui@inputInt()
	var i: int :: 1
	var mp: dict<[]char, bool> :: #dict<[]char, bool>
	while(i * i <= n)
		if(n % i = 0)
			do mp.add("\{i}\{n / i}", true)
			do mp.add("\{n / i}\{i}", true)
		end if
		do i :+ 1
	end while
	var ans: int :: ^mp
	do cui@print("\{ans}\n")
end func