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 Python (3.4.3) (judge verdict: Accepted)

s = input()
a = False
b = False
c = False
for ss in s:
    a = True if a else ss == 'a'
    b = True if b else ss == 'b'
    c = True if c else ss == 'c'
if a and b and c:
    print('Yes')
else:
    print('No')