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: Wrong Answer)

s = gets.strip
num_a = s.count("a", "A")
num_b = s.count("b", "B")
num_c = s.count("c", "C")

if num_a = num_b = num_c == 1
  puts "Yes"
else
  puts "No"
end