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();
	long total=0;
	for(int i=1;i<=n;i++){
		String s[]=String.valueOf(i).split("");
		int m=0;
		for(int k=0;k<s.length;k++){
			m+=Integer.parseInt(s[k]);
		}
		if(m>=a && m<=b) total+=i;
	}
	System.out.println(total);


	}
}




/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