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();
        long result = 0;
        for(int i = 1; i <= N; i++){
            String S = String.valueOf(i);
            long T = 0;
            for(int j = 0; j < S.length(); j++){
                T += Character.getNumericValue(S.charAt(j));
            }
            if(T >= A && T <= B){
                result += i;
            }
        }
        System.out.println(result);
    }
}

/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