package main

import . "fmt"
import . "math/rand"

func main() {
	var n,a,b string
	Scan(&n,&a,&b)
	for i:=0;i<1e4;i++ {
		x:=Intn(len(a))
		y:=Intn(len(b))
		if a[x]=='o'&&b[y]=='o'&&x==y {
			Println("Lucky Turtleman")
			return
		}
	}
	Println("Unlucky Turtleman")
}