PROGRAMMING:Multiple determination of 3,5,7 (exercise 6-4, fundamentals and applications of Python programming, Higher Education Society)

Programming function: input an integer to judge whether it can be divided by 3, 5 and 7 at the same time. If it can be divisible, it will output "yes"; otherwise, it will output "no".
###Input format:
An integer
###Output format:
Yes or no
###Input example:
```in
seven
```
###Output example:
```out
No
```







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