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 Lua (5.3.2) (judge verdict: Accepted)

S=io.read()
a=string.sub(S,1,1)
b=string.sub(S,2,2)
c=string.sub(S,3,3)
if a~=b and a~=c and b~=c then
  print("Yes")
  else
  print("No")
end