if (all(1,2,3)*any(5,6) < 21)
                { print "no alcohol" }
               
        if (all(1,2,3)*any(5,6) < 18)
                { print "no entry" }
               
        if (any(1,2,3)*all(5,6) < 18)
                { print "under-age" }

##</code><code>##

$R1 = all(1,2,3)*any(5,6);
$R2 = all(1,2,3)*any(5,6);
$R3 = any(1,2,3)*all(5,6);

print $R1;
print "\n";
print $R2;
print "\n";
print $R3;
print "\n";


##</code><code>##

all(any(5,6),any(10,12),any(15,18))
all(any(5,6),any(10,12),any(15,18))
any()