magic comment switch

//Change the line from /** to /**/
//And all comments will become code (and all code will become comment)
// o.O Magic O.o

namespace NS1
{
    class MainClass
    {

/**

        int vers_nmr = 4;

/*/

        int vers_nmr = 5;

/*/

        public int main() {
            return methodA(4, 7);
        }

/*/

        public int main() {
            return methodA(9, 3);
        }

/*/

        public int methodA(int a, int b) {
            return a*b;
        }

/*/

        public int methodA(int a, int b) {
            return a+b;
        }

//*/

    }

}