var iterator = 100;

{
    while (iterator > 0) {
       {
         print iterator;
        iterator = iterator - 2;
       }
    }
}


{
    while (iterator < 100) {
        {
            {
                print iterator;
                iterator = iterator + 2;

                if (iterator > 50) break;

                print "shoud not be printed after 50";
            }

            print "OUTER also shoud not be printed after 50";

        }
    }
}

while (iterator < 100) iterator = iterator + 2; 



print iterator;