PROGRAMMING:Find integer
This problem requires the input of N integers to find the given X. If found, the position of output x (counting from 0); If not found, output "not found".
###Input format:
Enter two positive integers n ($$$Le $$20) and X in the first line, and N integers in the second line. The numbers shall not exceed long integers, separated by spaces.
###Output format:
Output the position of X in one line, or "not found".
###Input sample 1:
```in
5 7
3 5 7 1 9
```
###Output sample 1:
```out
two
```
###Input example 2:
```
5 7
3 5 8 1 9
```
###Output example 2:
```
Not Found
```
answer：If there is no answer, please comment
###Input format:
Enter two positive integers n ($$$Le $$20) and X in the first line, and N integers in the second line. The numbers shall not exceed long integers, separated by spaces.
###Output format:
Output the position of X in one line, or "not found".
###Input sample 1:
```in
5 7
3 5 7 1 9
```
###Output sample 1:
```out
two
```
###Input example 2:
```
5 7
3 5 8 1 9
```
###Output example 2:
```
Not Found
```
answer：If there is no answer, please comment