#include<iostream>
#include<vector>
#include <string>
using namespace std;



string s;
int n,m,k,i,j,p,x,y,a[100005],t,aux,nr;

struct coada
{

    int tip,val;
};
coada c[20000];



int main()
{
    cin>>s;
    n=s.length();
    if((n%8) != 0)
    {
        cout<<"No\n";
    }
    else
    {
        m = n/8;
        k=0;
        for(i=1;i<=m;i++)
        {
            //fout<<k<<"---\n";
            if(s[k] == '0')
            {
                c[i].tip=1;
            }
            else
            {
                c[i].tip=2;
            }
            for(j=1;j<=8;j++)
            {
                //fout<<s[k];
                k++;
            }
            //fout<<"bit"<<s[k-8]<<"\n";
            if(s[k-8] == '1')
            {
                //fout<<"merge";
                aux=0;
                j=k-1;
                x=1;
                while(s[j] == '0' && x<8)
                {
                    //fout<<j<<"cat e j\n";
                    aux++;
                    j--;
                    x++;

                }
                //fout<<aux<<"\n";
                c[i].val=aux;

                //while()
            }


            //fout<<"\n";
        }
    bool ok = true;
        for(i=1;i<=m;i++)
        {
            if(c[i].tip==1)
            {
                ok=false;
            }
            nr=c[i].val;
            //fout<<nr<<"\n";
            while(nr > 0 and i<m)
            {
                //fout<<"ok";
                nr--;
                i++;
                if(c[i].tip==2)
                {
                    ok=false;
                }

            }
        }
        //fout<<nr;
        if(ok==true and nr == 0 )
        {
            cout<<"Yes";
        }
        else cout<<"No";
    }

    for(i=1;i<=m;i++)
    {
        //fout<<c[i].tip<<" "<<c[i].val<<"\n";
    }
}