/// Write by Daniel Perez .PERAPRO
#include<bits/stdc++.h>

using namespace std;
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

#define all(s) s.begin(), s.end()
#define mp make_pair
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
using vi=vector<int>;
using vl=vector<ll>;
using pii=pair<int,int>;
char el = '\n';
char esp = ' ';

template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }

template<typename T>
ostream& operator<<(ostream& os, const vector<T> &v){
    for(auto const &i: v){
        os<<i<<" ";
    }
    os<<'\n';
    return os;
}
string yes="YES";
string no="NO";

int main(){
	fast_io;
	/*
 	freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    */
    int tc ; 
    cin>>tc ; 
    while ( tc-- ){
        int n ; 
        cin>>n ; 
        for ( int i = 0 ; i < n ; i++ ){
            int c ; 
            cin>>c ; 
        }
        if ( n % 2 == 0 ) cout<<"Grundy"<<endl ; 
        else cout<<"Sprague"<<endl;
        
    }
    

    
}

/*

*/