def tower_of_hanoi(n, source, auxiliary, target):
    """
    Solve the Tower of Hanoi puzzle with n disks.
    
    Parameters:
        n (int): The number of disks to move.
        source (str): The starting peg.
        auxiliary (str): An intermediate peg.
        target (str): The destination peg.
        
    Raises:
        ValueError: If n is less than 1, indicating no disks to move.
    """
    if n < 1:
        raise ValueError("No disks to move. Please enter a positive integer.")
    
    if n == 1:
        print(f"Move disk 1 from {source} to {target}")
    else:
        tower_of_hanoi(n - 1, source, target, auxiliary)
        print(f"Move disk {n} from {source} to {target}")
        tower_of_hanoi(n - 1, auxiliary, source, target)

def prompt_for_integer():
    """
    Prompts the user to enter a positive integer until a valid input is received.
    
    Returns:
        int: A positive integer entered by the user.
        
    Raises:
        ValueError: If the entered input is anything else, for instance a negative integer or a string.
    """
    while True:  
        user_input = input("Please enter an integer: ")
        try:
            user_integer = int(user_input)
            if user_integer > 0:
                return user_integer
            else:
                print("The number must be positive.")
        except ValueError:
            print("Invalid literal for int() with base 10. Please enter an integer.")


if __name__ == "__main__":
    user_integer = prompt_for_integer()
    tower_of_hanoi(user_integer, 'A', 'B', 'C')