#include <cstdio>
#define nmax 8010
char s[nmax];
int n,k;

int main()
{
   // freopen("date.in","r",stdin);
    int i,j;
    scanf("%s",&s);
    for (i=0;s[i];i+=8) {
        if (s[i]=='1') {
            if (k!=0) {
                printf("No\n");
                return 0;
            }
            k=0;
            j=i+7;
            while (j>i&&s[j]=='0')
                k++,j--;
        }
        else {
            if (k==0) {
                printf("No\n");
                return 0;
            }
            k--;
        }
    }
    printf("Yes\n");
    return 0;
}