from random import randint
from math import floor


def myDivision(number: str, divider: int) -> str:
    res = ''
    first = True
    i = 0
    temp = 0
    while i < len(number):
        if (temp < divider):
            temp = temp * 10 + int(number[i])
            i = i + 1
            if first == False:
                res = res + '0'
            first = False

        res = res + str(floor(temp / divider))
        temp = temp % divider
        first = True

    return int(res)


x = randint(12345678910121416, 123456789101214161820)
divider = 128
print('X:', int(x))
print('Divider:', int(divider))
y = floor(x / divider)
myY = floor(myDivision(str(x), divider))
z = x % divider
print('Py Division:', y)
print('My Division:', myY)
print('Remaining:', z)

print(y, '*', divider, '+', z, 'must be equals to', x, ', Right?')
print('Real X:', int(x))
print('My   X:', myY * divider + z)
print('Py   X:', y * divider + z)
print('Always their first 16 digits is equal')
print('Py X Equals Real X?', y * divider + z == x)
print('My X Equals Real X?', myY * divider + z == x)