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++) {
			int digitSum=0;
			int now = i;
			while (now>0) {
				digitSum += now%10;
				now /= 10;
			}
			if (digitSum>=a&&digitSum<=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