Masking using bit-wise AND Operator

    # include<iostream.h>
    #include<conio.h>
    void main ()
    {
        int a , b ;
        a = 33 ;
        b = a & 3 ;
        cout<<"operand1 = "<<a<<endl ;
        cout<<"Masking value = 3\n";
        cout <<"Masked Value ="<<b ;
        getch( );
    }