import std;
import core.bitop;
import core.checkedint;
import core.time;

void main() {
	const n = readln.chomp.to!int;
	const a = readln.chomp.dup;
	const b = readln.chomp.dup;
	writeln((zip(a, b).any!"a[0] == 'o' && a[1] == 'o'" ? "Lucky" : "Unlucky") ~ " Turtleman");
}

pragma(inline)
string yes(const bool b) pure @nogc nothrow @safe {
	return b ? "Yes" : "No";
}