Character Multiplier

word_1, word_2 = input().split()
total = 0


def equal_length(w: str, w2: str):
    return len(w) == len(w2)


def find_longer(w1, w2):
    if len(w1) > len(w2):
        return w1, w2
    else:
        return w2, w1


def sum_them(w1, w2):
    sum_ = 0
    for k, l in zip(w1, w2):
        sum_ += ord(k) * ord(l)
    return sum_


if equal_length(word_1, word_2):
    total += sum_them(word_1, word_2)
else:
    longer, shorter  = find_longer(word_1, word_2)
    len_dif = len(longer) - len(shorter)
    longer_part = longer[:-len_dif]
    longer_end = longer[-len_dif:]
    total += sum_them(longer_part, shorter)
    total += sum([ord(x) for x in longer_end])

print(total)