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