Berilgan ikki satrning ikkalasida ham mavjud bo'lgan harflar sonini aniqlang.
Muallif Azizbek Habibov
Входные данные:
Faqatgina alifbo harflaridan iborat, uzunligi 1000 dan kam bo'lgan ikki satr berilgan.
Выходные данные:
Ukki satr uchun umumiy bo'lgan harflar sonini chiqaring.
Пример ввода:
aaabDKLcEEFEFEv aEDEDEabdWDEDvv
aaabDKLevwevewveojdowjodcEEFEFEv aEDEDqwniowqjopionqwkjnwqfkjbqwoibwoEabdWDEDvv
aaabDKLrvrevrevijojojeojdowjodcEEFEFEv aEDEDqwniowckenknevnewiobvjelewmqwoibwoEabdWDEDvv
Пример вывода:
5
9
12
