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# (.NET Core 3.1.201) (judge verdict: Accepted)

using System;
using System.Collections.Generic;

namespace cswork {
    class Program {
        static void Main (string[] args) {
                        List<string> ss = ReadListStr();
            string a = ss[0];
            string b = ss[1];
            string c = ss[2];

            string x = a + b + c;

            if(x.Equals("755") || x.Equals("575") || x.Equals("557")){
                Write("YES");
            }else{
                Write("NO");
            }
            Exit ();
        }

        public static void Write (string str) {
            Console.WriteLine (str);
        }

        public static void Write (int i) {
            Console.WriteLine (i);
        }

        public static void Write (double d) {
            Console.WriteLine (d);
        }

        public static string ReadStr () {
            return Console.ReadLine ();
        }

        public static int ReadInt () {
            return int.Parse (Console.ReadLine ());
        }

        public static long Read () {
            return long.Parse (Console.ReadLine ());
        }

        public static double ReadDouble () {
            return double.Parse (Console.ReadLine ());
        }

        public static void Exit () { }

        public static List<string> ReadListStr () {
            return new List<string> (ReadStr ().Split (" "));
        }

        public static List<long> ReadList () {
            return ReadListStr ().ConvertAll (x => long.Parse (x));
        }

        public static List<int> ReadListInt () {
            return ReadListStr ().ConvertAll (x => int.Parse (x));
        }
    }
}