Pizza FjRaito

#include <iostream>
#include <string>
using namespace std;

void MMenu(){
    cout<<"Welcome to Yummy Delivery Pizza"<<endl;
    cout<<"==============================="<<endl;
    cout<<"1. Order Pizza"<<endl;
    cout<<"2. Pay"<<endl;
    cout<<"3. Exit"<<endl;
    cout<<endl;
}

void PMenu(){
    cout<<"Choose an order"<<endl;
    cout<<"==============="<<endl;
    cout <<"1. Meat Lover Pizza (@ Rp. 80000,-)"<<endl;
    cout <<"2. Vegetarian Pizza (@ Rp. 50000,-)"<<endl;
    cout<<endl;
}

class Order{
    private:
        int Meat;
        int Vegan;

    public:
        int getMeat(){
            return Meat;
        }
        int getVegan(){
            return Vegan;
        }
        void setMeat(int Meat){
            this -> Meat = Meat;
        }
        void setVegan(int Vegan){
            this -> Vegan = Vegan;
        }
};

int main(){
    int opt;
    Order ord;
    do{
        int order;
        int meatord;
        int veganord;
        int total;
        int pay;
        int change;

        MMenu();
        cout<<"Choose: ";
        cin>>opt;

        if(opt==1){
            PMenu();
            do{
                cout << "Which pizza do you want to order [1-2]: ";
                cin>>order;
            }while(order < 1 && order > 2);

            if (order == 1){
                meatord = meatord + 1;
                ord.setMeat(meatord);
            }
            else if ( order == 2){
                veganord = veganord + 1;
                ord.setVegan(veganord);
            }
        }

        else if(opt==2){
            if( ord.getMeat() == 0 && ord.getVegan() == 0){
                cout<<"You haven't order yet ...."<<endl;
                cout<<endl;
            }
            else{
                cout<<"You have Ordered "<< ord.getMeat() <<"Meat Lover Pizza<s> and" << ord.getVegan() << "Vegetarian Pizza<s>"<<endl;
                cout<<endl;

                total = (ord.getMeat()*80000) + (ord.getVegan()*50000);


                cout<<"Total Price: Rp."<<total<<endl;
                do{
                    cout<<"Input Your Money [Minimum Rp."<<total<<"] : Rp.";
                    cin>>pay;
                }while(pay<total);{
                    change = pay - total;
                    cout<<"Your change: Rp."<<change<<endl;
                    cout<<"Thank you..."<<endl;
                    cout<<endl;
                    meatord = 0;
                    veganord = 0;
                    ord.setMeat(meatord);
                    ord.setVegan(veganord);
                }
            }
            }else if(opt == 3){
                break;
            }
        }while (opt != 3);{
            return 0;
        }




    }