import java.util.Scanner;
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 a=0;
		for(int i=1;i<=N;i++) {
			int b=0;
			for(int k=i;k>0;) {
				b=k%10+b;
				k=k/10;
			}
			if((b>=A)&&(b<=B)){
				a=a+i;
			}
		}
		System.out.println(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