#include <bits/stdc++.h>
using namespace std;

int main() {
    string num;
    cin >> num;
    int numBit1 = 0;
    int n = num.size();
    for (int i = 0; i < n; i++)
        numBit1 += (num[i] == '1');
    if (numBit1 == 1)
        cout << "No";
    else if (numBit1 == 2)
        cout << "Yes";
    else {
        bool check = true;
        for (int i = 0; i < numBit1; i++) {
            if (num[i] == '0') {
                check = false;
                break;
            }
        }
        if (check)
            cout << "Yes";
        else
            cout << "No";
    }
    return 0;
}