using System;
using System.Text;
using System.Linq;

namespace ConsoleApp11
{
    class Program
    {
        static void Main(string[] args)
        {
            string S = Console.ReadLine();

            bool tof = false;

            for(int i = 0; i < S.Length - 2; i++)
            {
                if(S[i] == '5' && S[i+1] == '7' && S[i+2] == '5')
                {
                    Console.WriteLine("YES");
                    tof = true;
                    break;
                }
            }

            if(tof == false)
            {
                Console.WriteLine("NO");
            }

        }        
    }
}