sub get1 {
    return 1;
}
print  get1() ?  "1: Flag is up\n"  :  "1: Flag is not up\n";
print  &get1 ?  "2: Flag is up\n"  :  "2: Flag is not up\n";

print  (get1())  ?  "3: Flag is up\n"  :  "3: Flag is not up\n";
print  (&get1 ) ?  "4: Flag is up\n"  :  "4: Flag is not up\n";