#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;
}