PROGRAMMING:Statistical character
Input a string of characters from the keyboard (until the character ".") and count the number of numeric characters.
###Input format:
Please write the input format here. For example: input 2 integers a and B with absolute value no more than 1000 in one line.
###Output format:
Please describe the output format here. For example, for each group of inputs, output the value of a + B in one line.
###Input example:
```in
dsffdsf18-299dsfasd.
```
###Output example:
```out
five
```
answer：If there is no answer, please comment
###Input format:
Please write the input format here. For example: input 2 integers a and B with absolute value no more than 1000 in one line.
###Output format:
Please describe the output format here. For example, for each group of inputs, output the value of a + B in one line.
###Input example:
```in
dsffdsf18-299dsfasd.
```
###Output example:
```out
five
```
answer：If there is no answer, please comment