import java.util.Scanner;
class customer
{
  customer(int b, String user, int password)
  {
      Balance = b;
      username = user;
      this.password = password;
  }


  double Balance;
  String username;
  int password;
  void ChangeUserName(String newUsername)
  {
    username = newUsername;
  }
  double Withdraw(double amount) {Balance = Balance - amount;  return Balance - amount;  }
}

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in );
    customer newCustomer = new customer(4000, "David.C", 12345);
    customer newCustomer = new customer(400, "David", 1234);
    newCustomer.Balance = 4000;
    System.out.println("User Name ");

    String input = sc.nextLine();
    while(!input.equals(newCustomer.username))
    {
        System.out.println("User Not Found");
        input = sc.nextLine();
    }
    if(input.equals(newCustomer.username));
    {
        System.out.println("Password");
        String input1 = sc.nextLine();
      while(!input1.equals("12345"))
      {
          System.out.println("Inorrect Password ");
          input1 = sc.nextLine();
      }
      if(input1.equals("12345"))
      {
        System.out.println("Correct Password");
      }
      System.out.println("Current balance:"+newCustomer.Balance);
      input = sc.nextLine();
      if(input.equals("Withdraw"))
      {
        System.out.println("Set Number:");
        double input2 = sc.nextDouble();
        newCustomer.Balance = newCustomer.Balance - input2;
        System.out.println(newCustomer.Balance);

      }
      else if(input.equals("Deposit"))
      {
        System.out.println("Set Number:");
        double input3 = sc.nextDouble();
        newCustomer.Balance = newCustomer.Balance + input3;
        System.out.println(newCustomer.Balance);

      }
    }

    }

  }