Select Code to Download

print "$in wasn't a number!";input() unless $in =~ /\d/;
# is the same as
...
input() unless $in =~ /\d/;
# what you want is
print("$in wasn't a number!"),input() unless $in =~ /\d/;

print("$in wasn't a number!"),return input() unless $in =~ /\d/;