Problem Statement

Output Numbers from $1$ to N: Write a program that prints out every other number between $1$ and N where N is entered by the user. The numbers must be separated by a comma and a space. The last number must not have a comma following it$.$ The program is repeated until a number smaller than $1$ is entered at which point the program outputs "Goodbye!"

Example:

Enter N: $7$

$1,3,5,7$

Enter N: $10$

$1,3,5,7,9$

Enter N: $-1$

Goodbye!

Partial Solution

Please try to implement the full source code in your IDE first. The solution is partially provided below. Fill in the blanks to complete the missing parts and make sure to not add an empty space before and after the answer.