#include <iostream>
#include <string.h>
using namespace std;
char s[1060];
int main()
{int i,lg,nrcar,j;
    cin.getline(s,1050);
    lg=strlen(s);
   i=0;
    while(i<lg)
    {
        if(s[i]){
            j=i+7;nrcar=0;
            while(s[j]=='0')
                {nrcar++;j--;}
            i+=8;
            while(nrcar && i<lg)
            {
                if(s[i]=='1'){cout<<"No";return 0;}
                i+=8;nrcar--;
            }
        }else i+=8;
    }
    if(nrcar){cout<<"No";return 0;}
    cout<<"Yes";

}