I having issues with this program. Anyone seeing what I am doing wrong? Fairly new to this

  `enter code here`main ()

enter code here{ enter code hereint adultTickets = 0, seniorTickets = 0, childTickets = 0, enter code hereinfantTickets = 0, baggage = 0, age = 0, passengerTotal = 0; enter code heredouble totalBaggagefee = 0.0, baggageFee1 = 20.00, baggageFee2 enter code here= 35.00, adultFee = 147.30, seniorFee = 137.75, childFee = enter code here110.25, infantFee = 0.0, totalTicket = 0.0, enter code heretotalwithCheckedbaggage = 0.0; enter code herechar reply; enter code herestring input; enter code herecin >> input; enter code herestring Yes = "YES"; enter code herestring No = "NO"; enter code herestring quit = "QUIT";

enter code herecout << "Enter your age. "; enter code herecin >> age; enter code hereif (age > 18); enter code here{ enter code herecout << "You are old enough to buy a ticket." << endl; enter code herecout << "Would you like to purchase a ticket now? "; enter code herecin >> reply;

    `enter code here`if (input == Yes);
    `enter code here`{
        `enter code here`cout << "How many Adult Tickets? "; 
        `enter code here`cin >> adultTickets;
        `enter code here`cout << "How many Senior Tickets? "; 
        `enter code here`cin >> seniorTickets;
        `enter code here`cout << "How many Child Tickets? "; 
        `enter code here`cin >> childTickets;
        `enter code here`cout << "How many Infant Tickets? "; 
       `enter code here` cin >> infantTickets;
       `enter code here` cout << "Number of checked baggage? "; 
        `enter code here`cin >> baggage;
        `enter code here`cout << endl;

            `enter code here`if (baggage <= passengerTotal);
               `enter code here` totalBaggagefee = 

enter code herepassengerTotalbaggageFee1; enter code heretotalTicket = (adultTicketsadultFee)+enter code here(seniorTicketsseniorFee)+(childTicketschildFee)+(infantTickets*infantFee); enter code heretotalwithCheckedbaggage = totalTicket+totalBaggagefee; enter code here{
enter code herecout << "Your total including check baggage is " << totalwithCheckedbaggage << "" << endl; enter code here }
enter code hereelse (baggage >= passengerTotal); enter code heretotalBaggagefee = passengerTotal * baggageFee1 + 1 * baggageFee2; enter code here totalTicket = (adultTicketsadultFee)+(seniorTicketsseniorFee)+(childTicketschildFee)+(infantTicketsinfantFee); enter code heretotalwithCheckedbaggage = totalTicket+totalBaggagefee; enter code here{
enter code herecout << "Your total including check baggage is " << totalwithCheckedbaggage << "" << endl; enter code here} enter code hereelse (input == No); enter code here{ enter code here cout << "You are a minor, have an adult purchase your ticket. "; enter code herecout << "Thank you." << endl; enter code here}
enter code herecout << "Type quit to end. "; enter code herecin >> reply; enter code herecout << endl; enter code hereexit(1); enter code here}
enter code hereelse if (age<18); enter code here{ enter code here cout << "You are too young, have an adult buy your ticket. " << endl; enter code here}

    `enter code here`return 0;

    `enter code here`}}