PROGRAMMING:The number of times a substring appears in the parent string
Count the number of times a string of length 3 appears in another string..
###Input format:
Enter a long string less than 20 in the first line. Do not use line breaks, spaces, tabs in strings.
Enter a string of length 3 on the second line. Do not use line breaks, spaces, tabs in strings.
###Output format:
Output the result directly without any additional characters.
###Input example:
```in
asdfgasdrfas
asd
```
###Output example:
```out
two
```
answer：If there is no answer, please comment
###Input format:
Enter a long string less than 20 in the first line. Do not use line breaks, spaces, tabs in strings.
Enter a string of length 3 on the second line. Do not use line breaks, spaces, tabs in strings.
###Output format:
Output the result directly without any additional characters.
###Input example:
```in
asdfgasdrfas
asd
```
###Output example:
```out
two
```
answer：If there is no answer, please comment