PROGRAMMING:Grades
Pat is held three times a year, which is divided into top, advanced and basic levels. Xiaoming's company is looking for programmers, focusing on basic. Many candidates provided their basic pat scores.
After doing some research on the scores of three pat examinations in 2016, Xiaoming's company gave a rule to divide the candidates into two grades A and B: if the score is less than the bottom line L, it is grade B, otherwise it is Grade A.
Please write a program to help calculate the level of candidates.
###Input format:
Give two integers L and G in one line. 0###Output format:
Output the candidate's rank in one line.
###Input example:
```in
75 89
```
###Output example:
```out
A
```
answer：If there is no answer, please comment
After doing some research on the scores of three pat examinations in 2016, Xiaoming's company gave a rule to divide the candidates into two grades A and B: if the score is less than the bottom line L, it is grade B, otherwise it is Grade A.
Please write a program to help calculate the level of candidates.
###Input format:
Give two integers L and G in one line. 0
Output the candidate's rank in one line.
###Input example:
```in
75 89
```
###Output example:
```out
A
```
answer：If there is no answer, please comment