#include <bits/stdc++.h>
using namespace std;
const int nmax=1005;
int lg,i,j;
char a[nmax];
bool checked[nmax];

int trail (int poz)
{
    int cars=0,h;
    for (h=poz;h<poz+8;h++)
    {
        if (a[h]==1) cars=0;
        else
         cars++;
    }
    return cars;
}

int main()
{
    int aux;
    cin.getline(a,nmax);
    lg=strlen(a);
    for (i=0;i<lg;i+=8)
    {
        if (a[i]=='1')
        {
            aux=trail(i);
            j=i+8;
            while (j<lg && aux>0)
            {
                if (a[j]=='1')
                {
                    cout<<"No";
                    return 0;
                }
                checked[j]=1;
                j+=8;
                aux--;
            }

            if (aux>0)
            {
                cout<<"No";
                return 0;
            }
        }
        if (a[i]=='0' && checked[i]==0)
        {
            cout<<"No";
            return 0;
        }
    }

    cout<<"Yes";
    return 0;
}