In the space below, write Python code that satisfies the following specifications.

Prompt the user to enter a positive integer in the format shown below.

Produce a single line of output that contains the first three multiples of that integer $($separated by hyphens $(-)$ without any space between them$).$

Example program output $($when the user enters $3)$ is shown below:

Enter a positive integer: $3$

$3-6-9$

Example program output $($when the user enters $5)$ is shown below:

Enter a positive integer: $5$

$5-10-15$