





'''simple docstring'''

import qiskit
from qiskit.providers import Backend





def lowerCamelCase						(					__lowerCamelCase			:   int ,	__lowerCamelCase			:   int   )						->tuple[qiskit.QuantumCircuit, str, str]:
    _SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE     =      bin(__lowerCamelCase   )[2:], bin(__lowerCamelCase   )[2:]  # Remove leading '0b'

    # Ensure that both strings are of the same length
    if len(__lowerCamelCase   ) > len(__lowerCamelCase   ):
        _SCREAMING_SNAKE_CASE     =      y.zfill(len(__lowerCamelCase   )   )
    else:
        _SCREAMING_SNAKE_CASE     =      x.zfill(len(__lowerCamelCase   )   )

    # We need (3 * number of bits in the larger number)+1 qBits
    # The second parameter is the number of classical registers, to measure the result
    _SCREAMING_SNAKE_CASE     =      qiskit.QuantumCircuit((len(__lowerCamelCase   ) * 3) + 1 ,	len(__lowerCamelCase   ) + 1   )

    # We are essentially "not-ing" the bits that are 1
    # Reversed because it's easier to perform ops on more significant bits
    for i in range(len(__lowerCamelCase   )   ):
        if x[::-1][i] == "1":
            circuit.x(__lowerCamelCase   )
    for j in range(len(__lowerCamelCase   )   ):
        if y[::-1][j] == "1":
            circuit.x(len(__lowerCamelCase   ) + j   )

    return circuit, x, y





def lowerCamelCase						(					__lowerCamelCase			:   qiskit.QuantumCircuit ,	__lowerCamelCase			:   int ,	__lowerCamelCase			:   int ,	__lowerCamelCase			:   int ,	__lowerCamelCase			:   int ,	)						->str:
    circuit.ccx(__lowerCamelCase ,	__lowerCamelCase ,	__lowerCamelCase   )
    circuit.cx(__lowerCamelCase ,	__lowerCamelCase   )
    circuit.ccx(__lowerCamelCase ,	__lowerCamelCase ,	__lowerCamelCase   )
    circuit.cx(__lowerCamelCase ,	__lowerCamelCase   )
    circuit.cx(__lowerCamelCase ,	__lowerCamelCase   )





def lowerCamelCase						(					__lowerCamelCase			:   int ,	__lowerCamelCase			:   int ,	__lowerCamelCase			:   Backend = qiskit.Aer.get_backend("""aer_simulator"""   ) ,	)						->int:

    if vala < 0 or vala < 0:
        raise ValueError("""Both Integers must be positive!"""   )

    # Store the Integers
    _SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE    ,	_SCREAMING_SNAKE_CASE     =      store_two_classics(__lowerCamelCase ,	__lowerCamelCase   )
    for i in range(len(__lowerCamelCase   )   ):
        full_adder(__lowerCamelCase ,	__lowerCamelCase ,	len(__lowerCamelCase   ) + i ,	len(__lowerCamelCase   ) + len(__lowerCamelCase   ) + i ,	len(__lowerCamelCase   ) + len(__lowerCamelCase   ) + i + 1   )
        circuit.barrier()  # Optional, just for aesthetics

    # Measure the resultant qBits
    for i in range(len(__lowerCamelCase   ) + 1   ):
        circuit.measure([(len(__lowerCamelCase   ) * 2) + i] ,	[i]   )

    _SCREAMING_SNAKE_CASE     =      qiskit.execute(__lowerCamelCase ,	__lowerCamelCase ,	shots=1   ).result()

    # The result is in binary. Convert it back to int
    return int(list(res.get_counts()   )[0] ,	2   )


if __name__ == "__main__":
      import doctest

      doctest.testmod()










'''simple docstring'''

def lowerCamelCase						(					__lowerCamelCase			:   int   )						->int:
    barcode //= 10  # exclude the last digit
    _SCREAMING_SNAKE_CASE     =      False
    _SCREAMING_SNAKE_CASE     =      0

    # extract and check each digit
    while barcode != 0:
        _SCREAMING_SNAKE_CASE     =      1 if checker else 3
        s += mult * (barcode % 10)
        barcode //= 10
        _SCREAMING_SNAKE_CASE     =      not checker

    return (10 - (s % 10)) % 10





def lowerCamelCase						(					__lowerCamelCase			:   int   )						->bool:
    return len(str(__lowerCamelCase   )   ) == 13 and get_check_digit(__lowerCamelCase   ) == barcode % 10





def lowerCamelCase						(					__lowerCamelCase			:   str   )						->int:
    if str(__lowerCamelCase   ).isalpha():
        _SCREAMING_SNAKE_CASE     =      F'Barcode \'{barcode}\' has alphabetic characters.'
        raise ValueError(__lowerCamelCase   )
    elif int(__lowerCamelCase   ) < 0:
        raise ValueError("""The entered barcode has a negative value. Try again."""   )
    else:
        return int(__lowerCamelCase   )


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      lowercase_         =			get_barcode(input("""Barcode: """).strip())

      if is_valid(barcode):
            print(f"""'{barcode}' is a valid barcode.""")
      else:
            print(f"""'{barcode}' is NOT a valid barcode.""")



