PROGRAMMING:Congratulations on your coming of age!
By the time you're 18, you're an adult! Please input your age. If you are 18 years old or older, output "migrations."..
###Input format:
Enter an integer a no more than 200.
###Output format:
Output as required.
###Input example:
```in
eighteen
```
###Output example:
The corresponding output is given here. For example:
```out
Congratulations.
```
answer：If there is no answer, please comment
###Input format:
Enter an integer a no more than 200.
###Output format:
Output as required.
###Input example:
```in
eighteen
```
###Output example:
The corresponding output is given here. For example:
```out
Congratulations.
```
answer：If there is no answer, please comment