escape room project not complete c++

#include <iostream>

int main() {
  
  int start = 0;
  int answer= 0;
  std::cout << "You wake up in a mechanic shop.\n";
  std::cout << "You look around for a second...\n";
  std::cout << "You see a old 1999 bmw 328i. You also see a door outside. You walk out the door and find yourself in the middle on nowhere in a forest with 3 pine trees. You have no idea how you got here. You walk back inside and inside you see a room. You go inside and see a note book.\n";
  std::cout << "__________________________________________________________________________________________________________________________________________________________________________________________________________________________________\n";
  std::cout << "Note: Welcome to Roman's Mechanic shop. In order to leave you can walk out and end up walking forever or fix this car and drive out and find help, your're choic34e.\n";
  std::cout << "Mind:You don't want to walk out and die so you try to fix the car.\n";
  std::cout << "You read the rest of the note:\n";
  std::cout << "\nNote: There are 8 puzzles you have to complete in order to successfully fix and drive the car out:\n";
  std::cout << " On the car door there is a 2 digit code(with 3 tries) and the numbers can be found by solving these 2 questions:\n";
  std::cout << "(Puzzle one)question 1: there are pine trees outside how many are there?(hint: reread)\n";
  std::cout <<"question 2: how many wheels does the car have?(hint: if you dont know this you live under a rock)\n";
  std::cout <<"You walk to the car and try the pin(puzzle 2)\n";
  
  int store = 0;
  int pin = 0;
  int tries = 0;
  
  
  std::cout << "Enter your PIN: ";
  std::cin >> pin;

  tries++;

  while (pin != 34 && tries < 3) {
    
    std::cout << "Enter your PIN: ";
    std::cin >> pin;
    tries++;
    
  }
  
  if (pin == 34) {
    
    std::cout << "password accepted!\n";
    std::cout << "You now have access.\n"; 
    
  } 
  std::cout << "Lets enter the car!\n";
  std::cout << "In the car on the seat there is another note explaining the next puzzle.\n";
  std::cout << "Note: For the next puzzle you have to find the key to the car,4 solve this riddle to find it!\n";
  std::cout << "(Puzzle 3) Question 1: Where most people store there loose change? ?\n";
  std::cout << "1.cupholder 2. glovebox 3. door 4.narnia\n";
  

  switch (store) {
    case 1:
      std    :cout << "haha its not there\n";
      break;
    case 2:
      std::cout << "haha its not there\n";
      break;
    case 3:
      std::cout << "haha its not there\n";
      break;
    case 4:
     std::cout << "haha its not there\n";
     break;
    
}
  }