func main()
	var n: int :: cui@inputInt()
	var a: []char :: cui@input()
	var b: []char :: cui@input()
	
	var ans: bool :: false
	for i(0, n - 1)
		if(a[i] = 'o' & b[i] = 'o')
			do ans :: true
		end if
	end for
	do cui@print((ans ?("Lucky Turtleman", "Unlucky Turtleman")) ~ "\n")
end func