import java.util.*;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = Integer.parseInt(sc.next());
    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int ans = 0;
    for (int i = 1; i < n+1; i++){
      int x = i;
      int temp = 0;
      while (x > 0){
        temp += x%10;
        x
         /= 10;
      }
      if (a <= temp && temp <= 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