#abc221b. [abc221_b]typo

[abc221_b]typo

Problem Statement

You are given two strings SS and TT. Determine whether it is possible to make SS and TT equal by doing the following operation at most once:

  • choose two adjacent characters in SS and swap them.

Note that it is allowed to choose not to do the operation.

Constraints

  • Each of SS and TT is a string of length between 22 and 100100 (inclusive) consisting of lowercase English letters.
  • SS and TT have the same length.

Input

Input is given from Standard Input in the following format:

SS TT

Output

If it is possible to make SS and TT equal by doing the operation in Problem Statement at most once, print Yes; otherwise, print No.


Sample Input 1

abc
acb

Sample Output 1

Yes

You can swap the 22-nd and 33-rd characters of SS to make SS and TT equal.


Sample Input 2

aabb
bbaa

Sample Output 2

No

There is no way to do the operation to make SS and TT equal.


Sample Input 3

abcde
abcde

Sample Output 3

Yes

SS and TT are already equal.