#!/usr/bin/perl

$wordcount=0;
$line = <STDIN>;
chomp($line);
WHILE ($line ne "")
{
@array=split(/ /, $line);
for ($i=1; $i<@array; i++)
{
  print $i;
}
if ( @array =~ /^and/gi)
{
 $wordcount += @array;
}
$line= <STDIN>;
}
print("Total number of works is $wordcount \n");

##</code><code>##

The word 
and
occurred in Line 1 as the 7th word

The word 
and
occurred in Line 1 as the 11th word