
import java.util.Scanner;

public class Main{

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int n=scan.nextInt();
		int a=scan.nextInt();
		int b=scan.nextInt();
		scan.close();

		int ans=0;
		for(int i=1;i<=n;i++) {
			String s=String.valueOf(i);
			int sum=0;
			for(int j=0;j<s.length();j++) {
				sum += Character.getNumericValue(s.charAt(j));
			}
			if(a<=sum&&sum<=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