valid password

static void Main(string[] args)
{
  Console.WriteLine("Enter a password: ");
  string password = Console.ReadLine();
  CheckPassword(password);
}

static void CheckPassword(string password)
{
  int digitCount = 0;
  int letterCount = 0;
  int specialCount = 0;
  for(int i = 0; i < password.Length; i++)
  {
    if(char.IsDigit(password[i]))
    {
      digitCount++;
    }
    else if(char.IsLetter(password[i]))
    {
      letterCount++;
    }
    else
    {
      specialCount++;
    }
  }
  if(digitCount >= 2 && letterCount >= 2 && specialCount >= 1)
  {
    Console.WriteLine("Valid Password");
  }
  else
  {
    Console.WriteLine("Invalid Password");
  }
}