C:\test>217736
Comparing 3 with 2
Setting $highest to 3
Comparing 2 with 1
Setting $highest to 2
Use of uninitialized value in concatenation (.) or string at C:\test\217736.pl line 8.
Comparing 1 with
Use of uninitialized value in numeric gt (>) at C:\test\217736.pl line 9.
Setting $highest to 1
1