import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class F_特别数的和 {
	static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
	static BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
	static String [] str;
	static int N = 10010,n,res;
	public static void main(String[] args) throws NumberFormatException, IOException {
		n = Integer.parseInt(reader.readLine());
		for (int i = 1; i <=  n; i++) {
			if(find(i)) res += i;
		}
		System.out.println(res);
	}
	public static boolean find(int x) {
		String t = String.valueOf(x);
		if(t.indexOf("2")!=-1||t.indexOf("0")!=-1||t.indexOf("1")!=-1||t.indexOf("9")!=-1) return true;
		else return false;
	}
}