Home

Contest: Task: Related: TaskB TaskD

Score : $300$ points

Problem Statement

You are given strings $S$ and $T$ consisting of lowercase English letters.

You can perform the following operation on $S$ any number of times:

Operation: Choose two distinct lowercase English letters $c_1$ and $c_2$, then replace every occurrence of $c_1$ with $c_2$, and every occurrence of $c_2$ with $c_1$.

Determine if $S$ and $T$ can be made equal by performing the operation zero or more times.

Constraints

  • $1 \leq |S| \leq 2 \times 10^5$
  • $|S| = |T|$
  • $S$ and $T$ consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:

$S$
$T$

Output

If $S$ and $T$ can be made equal, print Yes; otherwise, print No.

Sample Input 1

azzel
apple

Sample Output 1

Yes

azzel can be changed to apple, as follows:

  • Choose e as $c_1$ and l as $c_2$. azzel becomes azzle.
  • Choose z as $c_1$ and p as $c_2$. azzle becomes apple.

Sample Input 2

chokudai
redcoder

Sample Output 2

No

No sequences of operation can change chokudai to redcoder.

Sample Input 3

abcdefghijklmnopqrstuvwxyz
ibyhqfrekavclxjstdwgpzmonu

Sample Output 3

Yes