int A_VALUE = 1 << 0;
int B_VALUE = 1 << 1;
int C_VALUE = 1 << 2;
int D_VALUE = 1 << 3;
int E_VALUE = 1 << 4;
int F_VALUE = 1 << 5;
Console.WriteLine(A_VALUE);
Console.WriteLine(B_VALUE);
Console.WriteLine(C_VALUE);
Console.WriteLine(D_VALUE);
Console.WriteLine(E_VALUE);
Console.WriteLine(F_VALUE);
int x = 0 , y = 1;
Console.WriteLine( x & y );
Console.WriteLine( x & x );
Console.WriteLine( y & y );