Оператор goto в коде под Банкомат

case Operations::ValidCard:
        cout << "\tEnter your PIN: ";
        cin >> b;
        if ((b = 3411) && (a != 3411))
        {
            true;
            goto L10;
        }
        else
        {
            false;
            goto L8;
        }

include<iostream>
using namespace std;
int main()
{
    int  a = 2222, b = 3411;
    int choise;
    enum Operations { Enter = 1, Information, ValidCard, TakeBack, PasswordCard, 
        BlockCard, FalsePassword, TryAgain, TruePassword, ChooseOperation,  MoneyTransfer,
        GiveBack, TheEnd, EnterRecipientAndEmount, TrueRecipientAndEmount, TransferMoney, 
        EnterAmountAgain, EnterAmount, AvaibleAmount, GetMoney };
    cout << "\t\t\t\t\t\t..::::::::Cash Machine::::::::.." << endl;
    cout << "\tTo enter your credit card, please press 1; ";
    cin >> choise;
    switch (choise)
    {
        L1:
    case Operations::Enter:
        goto L2;
        break;
        L2:
    case Operations::Information:
        cout << "\tEnter your card number: ";
        cin >> a;
        goto L10;
        if (a = 2222)
        goto L8;
        if (a != 2222)
        break;
        L3:
    case Operations::ValidCard:
        cout << "\tEnter your PIN: ";
        cin >> b;
 
        break;
        L4:
    case Operations::TakeBack:
        cout << "\tTake the card back. ";
        goto L13;
        break;
        L5:
    case Operations::PasswordCard:
        break;
        L6:
    case Operations::BlockCard:
        cout << "The card is blocked" << endl;
        break;
        L7:
    case Operations::FalsePassword:
        break;
        L8:
    case Operations::TryAgain:
        cout << "You have three tries: ";
        break;
        L9:
    case Operations::TruePassword:
        break;
        L10:
    case Operations::ChooseOperation:
        break;
        L11:
    case Operations::MoneyTransfer:
        break;
        L12:
    case Operations::GiveBack:
        break;
        L13:
    case Operations::TheEnd:
        break;
        L14:
    case Operations::EnterRecipientAndEmount:
        break;
        L15:
    case Operations::TrueRecipientAndEmount:
        break;
        L16:
    case Operations::TransferMoney:
        break;
        L17:
    case Operations::EnterAmountAgain:
            break;
            L18:
    case Operations::EnterAmount:
        break;
        L19:
    case Operations::AvaibleAmount:
        break;
        L20:
    case Operations::GetMoney:
        break;
    default:
        cout << "Please press 1. ";
 
    }
    system("pause");
    return 0;

L1:
    case Operations::Information:
        cout << "\tEnter your card number: ";
        cin >> a;
        if (true)
        {
            goto L9;
            (a = 2222);
        }
        if (false)
        goto L7;
        (a != 2222);
        break;

if(a == 2222)
  goto L9;
else goto L7;