package no381;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String t = sc.next();
		int n = t.length();
		int[] s = new int[n];
		for(int i=0;i<n;i++) {
			s[i] = t.charAt(i) - '0';
		}
		long bc = 0;
		int start = 0;
		while(start < n) {
			int r = 0;
			int nextstart = start;
			for(int i=start;i<n;i++) {
				int d = s[i] + r;
				s[i] = d >> 1;
				if (i == n - 1) {
					bc += (d & 1);
				}
				r = (d & 1) * 10;
				if (s[i] == 0 && nextstart == i) {
					nextstart++;
				}
			}
//			StringBuilder sb = new StringBuilder();
//			for(int i=0;i<n;i++) {
//				sb.append(s[i]);
//			}
//			System.out.println(sb.toString());
			start = nextstart;
		}
		System.out.println(bc % 1004535809);
	}

}