import java.util.Scanner;


public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N,A,B,ans=0;
		N = sc.nextInt();
		A = sc.nextInt();
		B = sc.nextInt();

		for(int i = 1; i <= N; ++i) {
			int C = i, D=0;
			while(C > 0) {
				D += C%10;
				C /= 10;
			}
			if(A <= D && D <= 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