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 Ruby (2.3.3) (judge verdict: Accepted)

input = $stdin.gets.chomp!

if input.length == 3
  if input =~ /a/
    if input =~ /b/
      if input =~ /c/
        puts "Yes"
        exit()
      end
    end
  end
end
puts "No"