PROGRAMMING:Statistical character
This problem requires the preparation of procedures, input 10 characters, statistics of English letters, spaces or carriage returns, number of characters and other characters.
###Input format:
The input is 10 characters. The last carriage return indicates the end of the input, not counting.
###Output format:
Follow the
```
Letter = number of English letters, blank = number of spaces or carriage returns, digit = number of numeric characters, other = number of other characters
```
Format output.
###Input example:
```in
aZ &
09 Az
```
###Output example:
```out
letter = 4, blank = 3, digit = 2, other = 1
```
answer：If there is no answer, please comment
###Input format:
The input is 10 characters. The last carriage return indicates the end of the input, not counting.
###Output format:
Follow the
```
Letter = number of English letters, blank = number of spaces or carriage returns, digit = number of numeric characters, other = number of other characters
```
Format output.
###Input example:
```in
aZ &
09 Az
```
###Output example:
```out
letter = 4, blank = 3, digit = 2, other = 1
```
answer：If there is no answer, please comment