import java.io.*;
import java.math.*;
import java.util.*;

public class Main {
    public static void main(String[] a) throws Exception {
        Scanner s = new Scanner(new File("input.txt"));
        String t = s.next();
        int l = t.length(), i = l - 2;
        BigInteger p = BigInteger.ONE, c = p, n = p.subtract(p);
        PrintWriter o = new PrintWriter("output.txt");
        if (l == 1)
            n = p;
        else
            for (; i >= 0; --i) {
                if (t.charAt(i) == 48 || t.substring(i, i + 2).compareTo("33") > 0)
                    n = c;
                else
                    n = c.add(p);
                p = c;
                c = n;
            }
        o.println(n);
        o.close();
    }
}