1 #include <map>
 2 #include <queue>
 3 #include <cmath>
 4 #include <vector>
 5 #include <string>
 6 #include <cstdio>
 7 #include <cstring>
 8 #include <climits>
 9 #include <iostream>
10 #include <algorithm>
11 #define INF 0x3f3f3f3f
12 #define LL long long
13 using namespace std;
14 
15 int t, n, m;
16 
17 int main()
18 {
19     scanf("%d", &t);
20     while (t --)
21     {
22         scanf("%d%d", &n, &m);
23         if (n % (m + 1) == 0)
24             printf("Rabbit\n");
25         else
26             printf("Grass\n");
27     }
28     return 0;
29 }