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

int main() {
	string s;
	cin >> s;
	int onecnt = 0;
	for (int i = 0; i < int(s.size()); i++) {
		if (s[i] == '1') {
			onecnt += 1;
		}
	}
	if (onecnt == 1) {
		cout << "No" << endl;
	}
	else {
		int diffcnt = 0;
		for (int i = 0; i < int(s.size()) - 1; i++) {
			if (s[i] != s[i + 1]) {
				diffcnt += 1;
			}
		}
		if (s[s.size() - 1] == '1') {
			diffcnt += 1;
		}
		cout << (onecnt == 2 || diffcnt == 1 ? "Yes" : "No") << endl;
	}
	return 0;
}