Sample run $2$:

$-----$Magic Square Checker$-----$

Please enter the numbers $1$ through $9$: $146,78$ x $5$

Numbers do not make a square of size $3!$

Sample run $3$:

Please enter the numbers $1$ through $9$: $276,9514-3-8$

$276$

$951$

$438$

The square is magical!

Sample run $4$:

$-----$Magic Square Checker$-----$

Please enter the numbers $1$ through $9$:$276/9$x$1438$

$276$

$951$

$438$

The square is magical!

Sample run $5$:

$----$Magic Square Checker$-----$

Please enter the numbers $1$ through $9$: $276,91435$

$276$

$91$

$435$

Sorry, the square isn't magical.