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();

        int res = 0;

        for(int i=1; i<=n; i++){
            int sum = 0;
            for(char c : String.valueOf(i).toCharArray()){
                sum += Character.getNumericValue(c);
                if(sum > b) break;
            }
            if(a <= sum && b >= sum) res+=i;
            
        }
        System.out.println(res);
        scan.close();
        
    }
}
/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