function message = bits_to_message(bits)
    chars_num = length(bits) / 8;
    message = zeros(chars_num, 1);
    k = 1;
    for i = 1:chars_num
        char = 0;
        for j = 0:7
            char = char + ((2 ^ j) * bits(k));
            k = k + 1;
        end
        message(i) = char;
    end