#救命看不出来错的

#include<iostream>
#include<vector>
#include<cmath>
using namespace std;
int main()
{
    std::vector<int> vect;
    long long T,n,k;
    cin>>T;   
    for(int m=0;m<T;m++){
    bool f=1;
    long long s=0,t=0;
    cin>>n>>k;
    for(int i=0;i<n;i++){
    long long a;
    cin>>a;
    vect.push_back(a);
    s+=a;
    }
    s/=n;
    for(int j=0;j<n;j++){
    if(abs(s-vect[j])%k!=0){
    cout<<"Draw"<<endl;
    f=0;break;
    }
    n+=(abs(s-vect[j])/k);
    }
    n/=2;
    if(f){if(n%2==0){
    cout << "L" << endl;break;
    }
    else{cout << "F" << endl;break;}
    }
    vect.clear();
    }
    return 0;
}