from hashlib import md5

with open("input") as f:
    puzzle_input = f.read().strip()

# puzzle_input = "abcdef"
# puzzle_input = "pqrstuv"

solution = 0

cur_hash = ""

while cur_hash[:6] != "000000":
    solution += 1
    md5_input = puzzle_input + str(solution)
    cur_hash = md5(md5_input.encode("utf-8")).hexdigest()

print(cur_hash)
print(puzzle_input)
print(solution)