#include <bits/stdc++.h> using namespace std; int main() { int n; cin>>n; int a,b; for(int i = 0;i < n;i++) { cin>>a>>b; if(a + b <= 6) { if(a > b) { cout<<"XDZ"<<endl; } else if(a == b) { cout<<"DOGFALL"<<endl; } else { cout<<"YY"<<endl; } } else { if(b > a) { cout<<"XDZ"<<endl; } else if(a == b) { cout<<"DOGFALL"<<endl; } else { cout<<"YY"<<endl; } } } return 0; }