#include<bits/stdc++.h> using namespace std; int main(){ int a; cin>>a; if(a>=90 and a<=100){cout <<"Great";} if(a>=70 and a<=89){cout <<"Good";} if(a>=60 and a<=69){cout <<"Average";} if(a>=0 and a<=59){cout <<"Poor";} return 0; }