PROGRAMMING:Find the smallest string
This problem requires the preparation of procedures for the input of N strings, the output of which the smallest string.
###Input format:
Enter the first line to give a positive integer n; Then n lines, each line gives a length of less than 80 non empty string, which will not appear newline, space, tab.
###Output format:
Output the smallest string on one line in the following format:
```
Min is: minimum string
```
###Input example:
```in
five
Li
Wang
Zha
Jin
Xian
```
###Output example:
```out
Min is: Jin
```
answer：If there is no answer, please comment
###Input format:
Enter the first line to give a positive integer n; Then n lines, each line gives a length of less than 80 non empty string, which will not appear newline, space, tab.
###Output format:
Output the smallest string on one line in the following format:
```
Min is: minimum string
```
###Input example:
```in
five
Li
Wang
Zha
Jin
Xian
```
###Output example:
```out
Min is: Jin
```
answer：If there is no answer, please comment