#include <bits/stdc++.h> using namespace std; int main() { int n; cin>>n; int a,b; for(int i=1;i<=n;i++) { cin>>a>>b; if (a == b){ cout<<"DOGFALL"<<endl; } else if (a + b <= 6){ if (a > b){ cout<<"XDZ"<<endl; } else{ cout<<"YY"<<endl; } } else if (a + b > 6){ if (a<b){ cout<<"XDZ"<<endl; } else{ cout<<"YY"<<endl; } } } return 0; }