import java.util.*;
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();
      long sum  = 0;

      for(int i = 1; i <= n; i++) {
        if(digitSum(i, a, b))
          sum += i;
      }
      System.out.println(sum);
  }

  private static boolean digitSum(int n, int a, int b) {
    int sum = 0;
    while(n > 0) {
      sum += n % 10;
      n /= 10;
      if(sum > b) return false;
    }

    return sum >= a;
  }
}
/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