Envío 5753

Código

def increment():
    big_number = list(input())
    increment = int(input())

    length = len(big_number)

    for i in range(1, length + 1):
        number = int(big_number[i * -1])

        big_number[i * -1] = str(int((number + increment) % 10))
        increment = int((number + increment) / 10)

        if increment == 0:
            break

    if increment:
        big_number.insert(0, 1)

    for i in big_number:
        print(i, end='')


increment()