public static int Inverse(int x)
             {
                System.out.println(x);
                 switch(x)
                 {
                    case 001 : x= 001;
                                break;
                    case 010 : x= 101;
                                break;
                    case 011 : x= 110;
                                break;
                    case 100 : x= 111;
                                break;
                    case 101 : x= 010;
                                break;
                    case 110 : x= 011;
                                break;
                    case 111 : x= 100;
                                break;

                    default: System.out.println("Wrong Input");          ;

                }
             return x;
             }v