#include<stdio.h>
int main(){
    int t,n;
    scanf("%d",&t);
    while(t--){
        scanf("%d",&n);
        if(n>100||n<0){
            printf("No answer!\n");
        }
        else{
        n=n/10;
        switch(n){
            case 10:printf("A\n");break;
            case 9:printf("A\n");break;
            case 8:printf("B\n");break;
            case 7:printf("C\n");break;
            case 6:printf("D\n");break;
            case 5:printf("E\n");break;
            case 4:printf("E\n");break;
            case 3:printf("E\n");break;
            case 2:printf("E\n");break;
            case 1:printf("E\n");break;
            case 0:printf("E\n");break;
        }}
    }
}

#include <stdio.h> int main() { int t,i,num; scanf("%d",&t); for(i=0;i<t;i++) { scanf("%d",&num); if(num>=90 && num<=100) { printf("A\n"); }else if(num>=80 && num<=89) { printf("B\n"); }else if(num>=70 && num<=79) { printf("C\n"); }else if(num>=60 && num<=69) { printf("D\n"); }else if(num>=0 && num<=59) { printf("E\n"); }else { printf("No answer!\n"); } } return 0; }