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 C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ABC093A
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = 0;
            string S = Console.ReadLine();
            for(int i=0;i<=2;i++) 
            { 
                if(S[i]=='a') { a++; }
                if(S[i]=='b') { a += 2; }
                if(S[i]=='c') { a += 3; }
            }
            if(a==6)
            {
                 Console.WriteLine("Yes");
            }
            else 
            {
                 Console.WriteLine("No"); 
            }

            Console.ReadKey();
            
        }
    }
}