#include <iostream>
#include <fstream>
using namespace std;
#define MAX 8010

char c[MAX];


int main()
{
    int i, j, ok, nr, loc;
    cin >> c;
    ok = 1;
    nr = 0;
    loc = 0;
    for(i = 0 ; c[i] ; i++)
    {
        if(loc == 0 && i % 8 == 0 && c[i] == '1')
        {
            loc = 1;
        }

        if(loc)
        {
            if(i % 8 == 0)
            {
                if(c[i] == '1')
                {
                    if(nr)
                        ok = 0;
                    nr = 0;
                    for(j = i + 7 ; c[j] == '0' ; j--)
                    {
                        nr++;
                    }
                }
                else
                {
                    nr--;
                }
            }
        }
    }
    if(loc && nr)
    {
        ok = 0;
    }
    if(ok)
    {
        cout << "Yes\n";
    }
    else
        cout << "No\n";
}