#include <stdio.h>
int main(){
    int N;
    scanf("%d",&N);
       N=N/10;
    switch(N){
        case 9 ... 10 :
        printf("Great");
        break;
        case 7 ... 8 :
        printf("Good");
        break;
           case 6:
        printf("Average");
        break;
           case 0 ... 5 :
        printf("Poor");
        break;
          }

    return 0;
}

#include<stdio.h>
int main(){
    int n;
    scanf("%d",&n);
    n/=10;
    switch(n){
        case 10 :printf("Great");break;
        case 9 :printf("Great");break;
        case 8 :printf("Good");break;
        case 7 :printf("Good");break;
        case 6 :printf("Average");break;
        default :printf("Poor");break;
    }
    return 0;
}

#include<stdio.h> int main() {int n; scanf("%d",&n); if(n >= 90 && n <= 100) {printf("Great"); } else if(n >= 70 && n <= 89) {printf("Good"); } else if(n >= 60 && n <= 69) {printf("Average"); } else if(n >= 0 && n <= 59) {printf("Poor"); } return 0; }