#include <iostream>
#include <cstring>
#define MAXN 8050

using namespace std;

char s[MAXN];

int main()
{
    fgets(s, MAXN, stdin);
	s[strlen(s)-1] = 0;

	//strcpy(s, "1011011001110010");

	int run = 0;
    for (int i = 0; i < 8; i++)
	{
        if (s[i] == '0')
			run++;
		else if (s[i] == '1')
			run = 0;
	}
    for (int i = 8, j = 0; s[i]; i++, j = (j+1)%8)
	{
		if (j == 0 && s[i] == '1') {
			printf("No");
			return 0;
		}
		if (j == 0 && i/8 > run) {
			printf("No");
			return 0;
		}
	}
	printf("Yes");

    return 0;
}