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