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 ans = 0;
        for (int i = 1; i <= n; i++) {
            String s = Integer.toString(i);
            int sum = 0;
            for (int j = 0; j < s.length(); j++) {
                sum += Integer.parseInt(s.substring(j, j + 1));
            }
            if(sum >= a && 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