using static System.Math;
using System.Collections.Generic;
using System.Linq;
using System;

public class Hello
{
    static void Main()
    {
        var s = Console.ReadLine().Trim();
        getAns(s);
    }
    static void getAns(string s)
    {
        var c = s.Count(x => x == '1');
        if (c == 2) { Console.WriteLine("Yes"); return; }
        if (c == 1) { Console.WriteLine("No"); return; }
        var n = s.Length;
        var z = 0;
        for (int i = n - 1; i >= 0; i--)
        {
            if (s[i] == '0') z++;
            else break;
        }
        Console.WriteLine(z + c == n ? "Yes" : "No");
    }
}