$prev = "";
$prev_count = 0;

while(<>) {
	s/[\r\n]//g;

	if ( ( $_ ne $prev ) && ( $prev ne "" ) ) {
		printf( "%s\t%d\n", $prev, $prev_count );
		$prev_count = 0;
	}
	
	$prev_count++;
	$prev = $_;
		
}
printf( "%s\t%d\n", $prev, $prev_count );
exit;