import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

class Main {
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		Integer a = Integer.parseInt(sc.next());
		Integer b = Integer.parseInt(sc.next());

		List<String> list = new ArrayList<>();
		StringBuilder sb =  new StringBuilder();
		for(int i=0;i<b; i++) {
			sb.append(a.toString());
		}
		list.add(sb.toString());
		StringBuilder sb2 =  new StringBuilder();
		for(int i=0;i<a; i++) {
			sb2.append(b.toString());
		}
		list.add(sb2.toString());
		Collections.sort(list);
		System.out.println(list.get(0));

	}
}

/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