#include<bits/stdc++.h>

using namespace std;

typedef long long LL;

int T;

int N,X,Y;

string D,A;

int main()

{

    ios::sync_with_stdio(false);

    cin>>T;

    while(T--)

    {

        cin>>N>>X>>Y;

        cin>>D;

        cin>>A;

        int b=;    //不同答案数

        for(int i=;i<D.length();i++)

            if(D[i]!=A[i]) b++;

        int a=N-b;    //相同答案数

        int diff=abs(X-Y);    //分数差

        if(a-(N-X)<=Y && Y<=a+(N-X) && diff<=b)

            cout<<"Not lying\n";

        else

            cout<<"Lying\n";

    }

}