#!/usr/bin/perl
use strict;
my $z = 0;
for (<>) {
if (/Z(\d+(\.\d+)?)/) {
$z = $1;
print;
}
else {
if (!/Z/ && /X/ && /Y/ && $z > 0) {
s/\s*([\r\n\;\(].*)//gs;
print "$_ Z$z $1";