#include <bits/stdc++.h>
using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    bool ans = false;
    string s, t;
    cin >> n >> s >> t;
    for(int i = 0; i < n; i++){
        if(s[i] == 'o' && t[i] == 'o') ans = true;
    }
    cout << (ans ? "Lucky" : "Unlucky") << " Turtleman\n";
}