Alien Invasion II

import sys

number = input()

# Take the sum of the digits
dsum = sum([int(x) for x in number])

# Remainder
ren = 3 - (dsum % 3)

number = str(ren) + number

# Now we can just do the arithmetic
factor = int(number) // 3

# Need to print each digit of factor separately, assemble into list
# and then print that in reverse
def list_assemble(num):
    l = []
    while (num != 0):
        l.append(str(int(num) % 10))
        num //= 10

    return "".join(list(reversed(l)))


print(number)
print(3, list_assemble(factor))

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED