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