PROGRAMMING:Looking for 250
The other person doesn't want to talk to you and throws a string of numbers at you... And you have to find the touching number "250" in this string of numbers.
###Input format:
Input the number of integers whose absolute value does not exceed 1000 in one line, and ensure that there is at least one "250".
###Output format:
Output the first "250" in a line, which is the number thrown by the other party (counting starts from 1). Ensure that the output number is in the integer range.
###Input example:
```in
888 666 123 -233 250 13 250 -222
```
###Output example:
```out
five
```
answer：If there is no answer, please comment
The other person doesn't want to talk to you and throws a string of numbers at you... And you have to find the touching number "250" in this string of numbers.
###Input format:
Input the number of integers whose absolute value does not exceed 1000 in one line, and ensure that there is at least one "250".
###Output format:
Output the first "250" in a line, which is the number thrown by the other party (counting starts from 1). Ensure that the output number is in the integer range.
###Input example:
```in
888 666 123 -233 250 13 250 -222
```
###Output example:
```out
five
```
answer：If there is no answer, please comment