Problem8277--ABC280 —— C - Extra Character

8277: ABC280 —— C - Extra Character

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Time Limit : 1.000 sec  Memory Limit : 256 MiB

Description

You are given strings S and T. S consists of lowercase English letters, and T is obtained by inserting a lowercase English letter into S.
Find the position of the inserted character in T.
If there are multiple candidates, find any of them.

Input

The input is given from Standard Input in the following format:
$S$
$T$

Output

Print an integer i, representing that the inserted character is the i-th character from the beginning of T. 
If there are multiple possible answers, printing any of them is accepted.

Constraints

$1≤∣S∣≤5×10^5$
$S$ consists of lowercase English letters.
$T$ is obtained by inserting a lowercase English letter into $S$.

Sample 1 Input

atcoder
atcorder

Sample 1 Output

5
The 5-th character from the beginning of T, r, is inserted.

Sample 2 Input

million
milllion

Sample 2 Output

5
One of the 3-rd, 4-th, and 5-th characters from the beginning of T is inserted. Thus, printing any one of 3, 4, and 5 is accepted.

Sample 3 Input

vvwvw
vvvwvw

Sample 3 Output

3

Source/Category