import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
         Scanner scanner =new Scanner(System.in);
        int n=scanner.nextInt();
        int a=scanner.nextInt();
        int b=scanner.nextInt();
        int count=0;
        for (int i = 1; i <= n; i++) {
            int c=0;
            for (int i1 = 0; i1 < String.valueOf(i).length(); i1++) {
                c=c+ Integer.valueOf(String.valueOf(i).substring(i1, i1 + 1));
            }
            if (c>=a && c<=b){
                count=count+i;
            }
        }System.out.println(count);
    }
}
/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