import numpy as np

filename = "inputs/day3.input"
file = open(filename, "rb").readlines()
inputs = file
inputs = [list(y.decode().replace("\n", "")) for y in inputs]

mat = np.array(inputs, dtype=int)

ones = np.count_nonzero(mat, axis=0, keepdims=True)

gamma = 0
epsilon = 0

for i in ones[0]:
    if i > 500:
        gamma = gamma * 10 + 1
        epsilon = epsilon * 10
    else:
        gamma = gamma * 10
        epsilon = epsilon * 10 + 1

print(int(str(gamma), 2) * int(str(epsilon), 2))