import java.util.*;

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 answer = 0;
    for (int i = 1; i <= n; i++) {
      int num = i;
      int sum = 0;
      while(num > 0) {
        sum += num % 10;
        num /= 10;
      }
      if (a <= sum && sum <= b) {
        answer += i;
      }
    }
    System.out.println(answer);
  }
}
/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