my $x = 3;
my $y = 5;

# Case 1
if ( ($x > 1) || ($y > 10) ) {...}

# Case 2
if ( ($x > 10) || ($y > 10) ) {...}

# Case 3
if ( ($x > 10) && ($y > 10) ) {...}

# Case 4
if ( ($x > 1) && ($y > 10) ) {...}