#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;
}

#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; }

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

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