Problem:
Score : 100 points

Problem Statement

You are given a string S of length 3 consisting of a, b and c. Determine if S can be obtained by permuting abc.

Constraints

|S|=3

S consists of a, b and c.

Input

Input is given from Standard Input in the following format:

S

Output

If S can be obtained by permuting abc, print Yes; otherwise, print No.

Sample Input 1

bac

Sample Output 1

Yes

Swapping the first and second characters in bac results in abc.

Sample Input 2

bab

Sample Output 2

No

Sample Input 3

abc

Sample Output 3

Yes

Sample Input 4

aaa

Sample Output 4

No

Solution in PHP7 (7.0.15) (judge verdict: Runtime Error)

1 <?php
2 fscanf(STDIN, '%s', $s);
3 $s_array = str_split($s);
4 $ret_count = count(array_unique($s_array));
5 echo ($ret_count < 3) ? 'No'. "\n" : 'Yes'. "\n" ;