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)

s = gets.chomp!
a = Array.new(3,0)
s.each_char do |c|
  a[c.ord-97] += 1
end

cnt = 0
a.each do |i|
  cnt += 1 if a[i] == 1
end

puts cnt == 3 ? "Yes" : "No"