1 #include <iostream>
 2 #include <cstdio>
 3 #include <cstring>
 4 #include <stack>
 5 #include <queue>
 6 #include <map>
 7 #include <set>
 8 #include <vector>
 9 #include <cmath>
10 #include <algorithm>
11 using namespace std;
12 #define ll long long
13 const double eps = 1e-6;
14 const double pi = acos(-1.0);
15 const int INF = 0x3f3f3f3f;
16 const int MOD = 1000000007;
17 
18 int main ()
19 {
20     int T,n,m;
21     while (scanf ("%d",&T)==1)
22     {
23         while (T--)
24         {
25             scanf ("%d%d",&n,&m);
26             if (n <= m)
27                 printf ("Grass\n");
28             else
29             {
30                 if (n%(m+1))
31                     printf ("Grass\n");
32                 else
33                     printf ("Rabbit\n");
34             }
35         }
36     }
37     return 0;
38 }