import java.util.*;
class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt(),a =sc.nextInt(),b=sc.nextInt();
        int ans = 0;
        for(int i = 1;i<=n;i++){
            int j = i, tmp = 0;
            while(j>0){
                tmp += j%10;
                j/=10;
            }
            if(tmp>=a&&tmp<=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