02. Character Multiplier

string = input().split()
str1, str2 = string[0], string[1]
total_sum = 0

if len(str1) > len(str2):
    remaining_symbols = str1[len(str2):]

    for index in range(len(str2)):
        total_sum += ord(str1[index]) * ord(str2[index])
    for el in remaining_symbols:
        total_sum += ord(el)
else:
    remaining_symbols = str2[len(str1):]

    for index in range(len(str1)):
        total_sum += ord(str1[index]) * ord(str2[index])
    for el in remaining_symbols:
        total_sum += ord(el)

print(total_sum)