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#include <iostream>
#include <vector>

int main()
{
    //Initialize vectors
    std::vector<int> numbers; //Stores the inputted numbers in 1 sequence
    std::vector<int> luckyNumbers; //Stores any lucky numbers if they are found

    std::vector<int> big;

    int winningAmount = 0;

    // To find lucky numbers
    int luckynumber = 0;
    constexpr int Not_found = -1;
    int found = Not_found;
    int counter = 0;

    constexpr int NOTFOUND = -1;
    int FOUND = NOTFOUND;
    int COUNTER = 0;

    int option = 1;
    int all = 0;

    do {
        //Display question
        std::cout << "Enter your ticket numbers: ";

        //Read value
        numbers.resize(10);
        for (int x = 0; x < 10; x++)
        {
            std::cin >> numbers[x];
        }

        // Display and read option
        std::cout << "One more ticket? ";
        std::cin >> option;

        luckynumber = 0; //Resets the lucky number value
        luckynumber = numbers.front() + numbers.back(); // The lucky number is the sum of the first and last number in the ticket

        found = Not_found; //Necessary to always check a new value
        // For loop used to find a lucky number
        for (int e : numbers)
        {
            if (e == luckynumber) //If the lucky number is found
            {
                found = counter;
                break; //Stop searching, break the loop
            }
            ++counter;
        }

        // Add 2000 to the winning amount if a lucky number is found
        if (found != Not_found)
        {
            winningAmount += 2000;
            luckyNumbers.push_back(luckynumber); //Save the lucky number in a vector
        }

    } while (option == 1); //Loops if the option chosen is 1

    // Display sequence of lucky numbers if they are found
    if (luckyNumbers.size() != 0) //If the vector size isn't 0, that means lucky numbers have been found
    {
        std::cout << "Your lucky numbers: ";
        for (int i : luckyNumbers)
        {
            std::cout << i << " ";
        }

    }

    // Display winning amount
    std::cout << "\n" << "Your winning amount is: " << winningAmount << "\n";

}