Problem:
Score : 100 points

Problem Statement

Iroha loves Haiku. Haiku is a short form of Japanese poetry. A Haiku consists of three phrases with 5, 7 and 5 syllables, in this order.

To create a Haiku, Iroha has come up with three different phrases. These phrases have A, B and C syllables, respectively. Determine whether she can construct a Haiku by using each of the phrases once, in some order.

Constraints

1≦A,B,C≦10

Input

The input is given from Standard Input in the following format:

A B C

Output

If it is possible to construct a Haiku by using each of the phrases once, print YES (case-sensitive). Otherwise, print NO.

Sample Input 1

5 5 7

Sample Output 1

YES

Using three phrases of length 5, 5 and 7, it is possible to construct a Haiku.

Sample Input 2

7 7 5

Sample Output 2

NO

Solution in C# (Mono 4.6.2.0) (judge verdict: Runtime Error)

using System;
using System.Collections.Generic;
using System.Linq;

namespace AtCoder.ABC042
{
    class ProblemC
    {
        static void Main()
        {
            var nk = ReadIntArray();
            var n = nk[0];
            var k = nk[1];
            var ds = ReadIntArray();
            for (var i = n; i < 10000; i++)
            {
                if (EnumerateDigt(i).Any(v => ds.Contains(v)))
                    continue;
                Console.WriteLine(i);
                break;
            }
        }

        static IEnumerable<int> EnumerateDigt(int value)
        {
            while (value > 0)
            {
                yield return value % 10;
                value /= 10;
            }
        }

        public static string ReadLine() => Console.ReadLine();

        public static int ReadInt() => int.Parse(ReadLine());

        public static int[] ReadIntArray() => ReadLine().Split(' ').Select(v => int.Parse(v)).ToArray();
    }
}