#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
	string s;
	cin >> s;
	int n = s.size();
	for (int i = n - 1; i > 0; i--) {
		if (s[i] >= '2' && s[i] <= '4') {
			s[i - 1]--;
		}
		else {
			cout << "No" << endl;
			return 0;
		}
	}
	if (s[0] == '0') {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}
	return 0;
}