import java.util.Scanner;

public class Main {

  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int a = sc.nextInt();
    int b = sc.nextInt();
    int ans = 0;

    for (int i = 1; i <= n; i++) {
      int tmp = 0;
      String s = Integer.toString(i);
      for (int j = 0; j < s.length(); j++) {
        tmp += Character.getNumericValue(s.charAt(j));
      }
      if ((a <= tmp) && (tmp <= b)) {
        ans += i;
      }
    }

    System.out.println(ans);

  }
}
/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