Write a program that allows user enter a number divisible by 5 but not divisible by 3. The program must check and show result.

Example format: ouput input 

Example 1:

Please enter a number divisible by 5 but not divisible by 3:15
15 isn't a number divisible by 5 but not divisible by 3.

Example 2:

Please enter a number divisible by 5 but not divisible by 3:5
Thank you.

Example 3:

Please enter a number divisible by 5 but not divisible by 3:1
1 isn't a number divisible by 5 but not divisible by 3.

Example 4:

Please enter a number divisible by 5 but not divisible by 3:0
0 isn't a number divisible by 5 but not divisible by 3.