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 Common Lisp (SBCL 1.1.14) (judge verdict: Runtime Error)

(let((h(make-hash-table)))(mapcar #'(lambda(a)(incf(gethash a h 0)))(coerce(read-line)'list))(princ(if(and(=(gethash #\a h)1)(=(gethash #\b h)1)(=(gethash #\c h)1))"Yes""No")))