import java.io.*;

public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader bfr = new BufferedReader(new InputStreamReader(System.in));
      	PrintWriter out = new PrintWriter(System.out);
		String str = bfr.readLine();
		String[] wa = str.split(" ");
		int N = Integer.parseInt(wa[0]);
		int a = Integer.parseInt(wa[1]);
		int b = Integer.parseInt(wa[2]);
		int sum = 0;
		for(int i=1; i<=N; i++) {
			int tmpSum = 0;
			int num = i;
			while(num != 0) {
				tmpSum += num %10;
				num /= 10;
			}
			if(tmpSum >= a && tmpSum <= b) {
				sum += i;
			}
		}
		out.println(sum);
      	out.flush();
	}
}
/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