import java.io.*;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Task solver = new Task();
        solver.solve(1, in, out);
        out.close();
    }

    static class Task {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int N = Integer.parseInt(in.next());
            int A = Integer.parseInt(in.next());
            int B = Integer.parseInt(in.next());

            int sum = 0;
            for (int i = 1; i <= N; i++) {
                int n = i;
                int digSum = 0;
                while (n > 0) {
                    digSum += n % 10;
                    n /= 10;
                }
                if (digSum >= A && digSum <= B)
                    sum += i;
            }
            out.println(sum);
        }

    }
}


/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz