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`.

Examples

Input

azzel
apple


Output

Yes


Input

chokudai
redcoder


Output

No


Input

abcdefghijklmnopqrstuvwxyz
ibyhqfrekavclxjstdwgpzmonu


Output

Yes
#include <bits/stdc++.h>
using namespace std;

int main(){
  string S, T;
  cin >> S >> T;
  int L=S.size();
  int sspel[26]={0};
  int tspel[26]={0};
  string ans="Yes";
  for(int i=0; i<L; i++){
    sspel[S.at(i)-97]++;
    tspel[T.at(i)-97]++;
    if(sspel[S.at(i)-97]!=tspel[T.at(i)-97]){
      ans="No";
      break;
    }
  }
  cout << ans << endl;
}