|시간 제한||메모리 제한||제출||정답||맞은 사람||정답 비율|
|1 초||512 MB||0||0||0||0.000%|
Clara has two strings $s$ and $t$. She would like to choose two subsequences $x$ from $s$ and $y$ from $t$ such that:
The input consists of several test cases terminated by end-of-file. For each test case:
The first line contains a string $s$. The second line contains a string $t$.
For each test case, output the sum of $|x|$ and $|y|$.
aaaa bbbb abcd abca abcd abcd
8 7 8