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: Runtime Error)

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

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            int a;
            int cnt = 0;
            a = int.Parse(Console.ReadLine());
            string[] str = Console.ReadLine().Split(' ');
            int[] b = new int[a];
            for(int i = 0; i < a; i++)
            {
                b[i] = int.Parse(str[i]);
            }
            for(int ii = 0; ii < a; ii++)
            {
                for(int iii = 0; iii < a; iii++)
                {
                    if(b[ii] + b[iii] == 0)
                    {
                        cnt++;
                    }
                }
            }
            Console.WriteLine(cnt);

        }
    }
}