import java.util.Scanner;

class Main {
  public static void main(String[] args) {
    Scanner stdIn = new Scanner(System.in);

    int ans = 0;
    int n = stdIn.nextInt();
    int a = stdIn.nextInt();
    int b = stdIn.nextInt();

    for (int i = 1; i <= n; i++) {
      int sum = 0;
      String s = String.valueOf(i);
      String[] str = s.split("");
      for (int j = 0; j < s.length(); j++) {
        sum += Integer.parseInt(str[j]);
      }
      if (sum >= a && sum <= 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