Сделать действие цикличным

#include <iostream>
#include <ctime>
using namespace std;
void main () {
    setlocale(0, "");
    int min = 0;
    int max = 9;
    cout << "Hello!Welcome to Casino!" << endl;
    cout << "Now we only have one game calls One hand master " << endl;
    char myString[20];
    cout << "Please enter your nickname:";
    cin >> myString;
    cout << "Welcome back," << myString << endl;
    cout << "Your balance is 1000$" << endl;
    float Balance = 1000;
    int b;
    cout << "Please select that menu what you need:" << endl;
    cout << "1.Play game..." << endl;
    cout << "2.Read rules." << endl;
    cout << "3.Exit" << endl;
    cin >> b;
    switch (b)
    {
    case 1:
    {
        cout << "Welcome to One Hand Master" << endl;
        break;
    }
    case 2:
    {
        cout << "Rules:" << endl;
        cout << "Lets play!" << endl;
        break;
 
    }
 
    case 3:
    {
        exit(0);
        break;
    }
 
    default:
    {
        cout << "ERROR" << endl;
        exit(0);
        break;
    }
    }
    int c;
    
    cout << "Enter your rate:";
    cin >> c;
    cout << "Your rate is:" << c << "$" << endl;
    if (c < Balance) {
        cout << "Let's start!" << endl;
        srand(time(0));
        int a = min + rand() % (max - min);
        cout << a << " ";
        a = min + rand() % (max - min);
        cout << a << " ";
        a = min + rand() % (max - min);
        cout << a << " ";
        a = min + rand() % (max - min);
        if (a == 111 || a == 222 || a == 333 || a == 444 || a == 555 || a == 666 || a == 777 || a == 888 || a == 999 || a == 000)
        {
            Balance += c*2;
            cout << "You win!";
            cout << "Your balance=" << Balance << endl;
            exit (0);
        }
        if (a == 123 || a == 234 || a == 345 || a == 456 || a == 567 || a == 678 || a == 789 || a == 012)
        {
            Balance += c / 2;
            cout << "You win!";
            cout << "Your balance=" << Balance << endl;
        }
        else
        {
            Balance -= c;
            cout << "You lose!";
            cout << "Your balance=" << Balance << endl;
        }
    }
    else
    {
        cout << "Wrong rate.Try again..." << endl;
 
    }
}

main();