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 Practice
{
    class Program
    {
        static void Main(string[] args)
        {
            string szLine = Console.ReadLine();
            string[] szArr = szLine.Split(' ');
            int nTotal = szArr.Length;
            long[] arr = new long[nTotal];

            for (int i = 0; i < arr.Length; ++i)
            {
                arr[i] = long.Parse(szArr[i]);
            }

            long a = arr[0];
            long b = arr[1];
            long c = arr[2];
            long sum = a + b + c;

            long max = 0;
            for (int i = 0; i < arr.Length; ++i)
            {
                if (arr[i] > max)
                {
                    max = arr[i];
                }
            }

            if ((max * 3) % 2 == sum % 2)
            {
                Console.WriteLine((max * 3 - sum) / 2);

            }
            else
            {
                Console.WriteLine(((max + 1) * 3 - sum) / 2);

            }

        }
    }
}