def test(input, solution):
    print(f"Running input {input}")
    result = process(input)
    print(f"Solution was {result}")
    assert result == solution

def run():
    file = open("input.txt", "r")
    return process(file.read()[:-1])

def hash_value(word):
    count = 0
    for character in word:
        count += ord(character)
        count *= 17
        count = count % 256
    return count

def process(input):
    words = input.split(",")
    hashes = [hash_value(word) for word in words]
    return sum(hashes)