import java.util.*;
public class Main
{
  public static void main(String [ ] args)
  {
    // System variables
    Scanner keyboard = new Scanner(System.in);

    // Normal variables
    String firstname = "";
    String surname = "";
    String password = "";
    String[] passwordArray = new String[] {password};
    String username = "";
    String email = "";
    String company = "";

    int passwordLength = 0;
    int amountOfNumbers = 0;

    // Getting nesseccary inputs
    System.out.print("Please enter first name : ");
    firstname = keyboard.nextLine();
    System.out.print("Please enter surname : ");
    surname = keyboard.nextLine();
    System.out.print("Please enter password : ");
    password = keyboard.nextLine();
    System.out.print("Please enter your company : ");
    company = keyboard.nextLine();


    username = firstname.toLowerCase() + "." + surname.toLowerCase();

    passwordLength = passwordArray.length;

    email = username + "@" + company + ".com";


    System.out.print("Please enter password : ");
      password = keyboard.nextLine();

   // Splits the password into an array and checks each one to see if it is a number or not.

   char[] passwordArray = password.split("").toCharArray();

   passwordLength = passwordArray.length;


       // Program iterates over all array elements at once
   for (char character : passwordArray)
   {
       if (Character.isDigit(character))
       {
           amountOfNumbers++;
       }
       else
       {
           return;
       }
   }

    // Checks if the password has at least 8 characters, and there is at least 2 numbers
    while (passwordLength < 8 || amountOfNumbers < 2) {
      if (passwordLength < 8)
      {
      System.out.println("Your password is not long enough.");
      } else {
        if(amountOfNumbers < 2) {
           System.out.println("You don't have enough numbers.");
      }
      }
    }

   // Prints out the nesseccary outputs in the right format.
    System.out.println("username is : " + username);
    System.out.println("Your password has " + passwordLength + " characters");
    System.out.println("Your email is : " + email);

  }
}