import java.util.*;

public class Main {

  private static final int MAX_COUNT = 999;

  public static void main(String[] args) {
    Main m = new Main();
    m.exec();
  }

  private void exec() {
    Scanner scan = new Scanner(System.in);
    int n = scan.nextInt();
    int a = scan.nextInt();
    int b = scan.nextInt();

    long total = 0;
    for (int i = 1; i <= n; i++) {
      String value = String.valueOf(i);
      int sum = 0;
      for (int j = 0; j < value.length(); j++) {
        sum += Integer.parseInt(value.substring(j, j + 1));
      }
      if (sum >= a && sum <= b) {
        total += i;
      }
    }
    System.out.println(total);

    scan.close();
  }
}
/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