stop

main.py

highaay$\_$number $=$ int$($input$())$

if $(($highway$\_$number $=-200)$ or $($highway$\_$number $==0))$:

print$($highay$\_$number, $\text{'}$is not valid interstate highway$\_$number.$\text{'})$

elif$(($highway$\_$number or $($highway$\_$number :

print$(($highaty$\_$number$),\text{'}$I$-90$ is primary and going east$/$west$.\text{'})$

if $($highway$\_$number$*2--0)$:

$|$ print$(\text{'}$east and west'$)$

else:

print$(\text{'}$north and south'$)$