One of Arkady's friends works at a huge radio telescope. A few decades ago the telescope has sent a signal $s$ towards a faraway galaxy. Recently they've received a response $t$ which they believe to be a response from aliens! The scientists now want to check if the signal $t$ is similar to $s$.
The original signal $s$ was a sequence of zeros and ones (everyone knows that binary code is the universe-wide language). The returned signal $t$, however, does not look as easy as $s$, but the scientists don't give up! They represented $t$ as a sequence of English letters and say that $t$ is similar to $s$ if you can replace all zeros in $s$ with some string $r_0$ and all ones in $s$ with some other string $r_1$ and obtain $t$. The strings $r_0$ and $r_1$ must be different and non-empty.
Please help Arkady's friend and find the number of possible replacements for zeros and ones (the number of pairs of strings $r_0$ and $r_1$) that transform $s$ to $t$.
Input
The first line contains a string $s$ ($2 \le |s| \le 10^5$) consisting of zeros and ones — the original signal.
The second line contains a string $t$ ($1 \le |t| \le 10^6$) consisting of lowercase English letters only — the received signal.
It is guaranteed, that the string $s$ contains at least one '0' and at least one '1'.
Output
Print a single integer — the number of pairs of strings $r_0$ and $r_1$ that transform $s$ to $t$.
In case there are no such pairs, print $0$.
Note
In the first example, the possible pairs $(r_0, r_1)$ are as follows:
- "
a", "aaaaa" - "
aa", "aaaa" - "
aaaa", "aa" - "
aaaaa", "a"
The pair "aaa", "aaa" is not allowed, since $r_0$ and $r_1$ must be different.
In the second example, the following pairs are possible:
- "
ko", "kokotlin" - "
koko", "tlin"
样例
01
aaaaaa
4
001
kokokokotlin
2
题面与样例版权归 Codeforces 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。