Idk

#include <iostream>
#include <windows.h>

using namespace std;



//-------------;

//-------------;
void Calculator()
{
            int num1, num2;

char op;
int result;
cout << "Enter First Number: "<< endl;
cin >> num1;
cout << "Enter  Operator: "<< endl;
cin >> op ;
cout << "Enter Second Number: "<< endl;
cin >> num2;

if (op == '+'){
    result = num1 + num2;
    }else if(op == '-'){
        result = num1 - num2;
    }else if(op == '/'){
        result = num1 / num2;
    }else if(op == '*'){
        result = num1 * num2;
    }else{
        result = 0;
    }
    if (result == 0)
    {

        cout << "Invalid Operator"<< endl;
    }else if (result != 0){
    cout << "Answer: "<< result << endl;
    }
}
//------------------------------;
//-------------;
int main(int argc, char* argv[])
{

    star:

    cout << "What Do You Want To Do?"<< endl;


    cout << "Autoclicker"<< endl;
    cout << "Calculator"<< endl;
    string What;
    cin >> What;

    if (What == "Autoclicker")
{
 int n = 1;
int x;
int y;
int times;
int done;
int sleepy;
string choice;




cout<<"Autoclicker Version 1.0" << endl;
    cout << "   "<< endl;

    cout << "How many times do you wish to click?"<<endl;
    cout << ":";

    cin >> times;

    cout << "How much time should there be between clicks?(Milliseconds)" << endl;
    cout << "(MS)";
    cin >> sleepy;
    done = 0;
    cout << "Starting in 5 seconds..."<< endl;
    Sleep(1000);
    cout << "Starting in 4 seconds..."<< endl;
    Sleep(1000);
    cout << "Starting in 3 seconds..."<< endl;
    Sleep(1000);
    cout << "Starting in 2 seconds..."<< endl;
    Sleep(1000);
    cout << "Starting in 1 seconds..."<< endl;
    Sleep(1000);

        while (done <= times)
        {


            Sleep(sleepy);
            mouse_event(MOUSEEVENTF_LEFTDOWN,x,y,0,0);
            mouse_event(MOUSEEVENTF_LEFTUP,x,y,0,0);
            done++;
        }
        cout << "Autoclicker has finished." <<endl;
        cout << "Again?    (y) or (n)" << endl;
        cin >> choice;
        if (choice == "y")
        {
            system("cls");
        }else{
        goto star;
        }

        }


    if (What == "Calculator")
    {
        Calculator();
                Sleep(1200);
        goto star;
    }

}