use strict;
use warnings;

my ($x, $y, $z) = (-11,-13,4);

if ($x % 2 == 0 and $y % 2 == 0 and $z % 2 == 0) {
	print "All are even numbers\n";
} elsif ($x % 2 == 0 && $y % 2 == 0) {
	print "$z is the biggest odd number\n";
} elsif ($y % 2 == 0 && $z % 2  == 0) {
	print "$x is the biggest odd number\n";
} elsif ($x % 2 == 0 && $z % 2 == 0) {
	print "$y is the biggest odd number\n";
} elsif ($x % 2 == 0 && $y % 2 != 0 && $z % 2 != 0) {
	if ($y > $z) {
		print "$y is the greatest odd number\n";
	} else {
		print "$z is the biggest odd number\n";
	}
} elsif ($y % 2 == 0 && $x % 2 != 0 && $z % 2 != 0) {
	if ($x > $z) {
		print "$x is the greatest odd number\n";
	} else {
		print "$z is the biggest odd number\n";
	}
} elsif ($z % 2 == 0 && $x % 2 != 0 && $z % 2 != 0) {
	if ($x > $y) {
		print "$x is the greatest odd number\n";
	} else {
		print "$y is the biggest odd number\n";
	}
} else {
	if ($x > $y && $x > $z) {
		print "$x is the biggest odd number\n";
	} elsif ($y > $z) {
		print "$y is the biggest odd number\n";
	} else {
		print "$z is the biggest odd number\n";
	}
}

##</code><code>##

use strict;
use warnings;

my ($x, $y, $z) = (-11,-13,-17);

if ($x % 2 == 0 and $y % 2 == 0 and $z % 2 == 0) {
	print "All are even numbers\n";
} elsif ($x % 2 == 0 && $y % 2 == 0) {
	print "$z is the biggest odd number\n";
} elsif ($y % 2 == 0 && $z % 2  == 0) {
	print "$x is the biggest odd number\n";
} elsif ($x % 2 == 0 && $z % 2 == 0) {
	print "$y is the biggest odd number\n";
} elsif ($x % 2 == 0 && $y % 2 != 0 && $z % 2 != 0) {
	if ($y > $z) {
		print "$y is the greatest odd number\n";
	} else {
		print "$z is the biggest odd number\n";
	}
} elsif ($y % 2 == 0 && $x % 2 != 0 && $z % 2 != 0) {
	if ($x > $z) {
		print "$x is the greatest odd number\n";
	} else {
		print "$z is the biggest odd number\n";
	}
} elsif ($z % 2 == 0 && $x % 2 != 0 && $z % 2 != 0) {
	if ($x > $z) {
		print "$x is the greatest odd number\n";
	} else {
		print "$z is the biggest odd number\n";
	}
} else {
	if ($x > $y && $x > $z) {
		print "$x is the biggest odd number\n";
	} elsif ($y > $z) {
		print "$y is the biggest odd number\n";
	} else {
		print "$z is the biggest odd number\n";
	}
}

##</code><code>##