1 import java.util.Scanner; 2  3 public class Main { 4  5     public static void main(String[] args) { 6          7         Scanner sc=new Scanner(System.in); 8         int times=sc.nextInt(); 9         while(times-->0){10             System.out.println(solve(sc.nextInt()));11         }12         13     }14     15     public static char solve(int score){16         switch(score/10){17         case 9:18         case 10: 19             return ‘A‘;20         case 8: return ‘B‘;21         case 7: return ‘C‘;22         case 6: return ‘D‘;23         default: return  ‘E‘;24         }25     }26     27 }