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

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		sc.close();
		List<String> list = new ArrayList();
		StringBuilder sb = new StringBuilder();
		for(int i = 0;i < a;i++){
			sb.append(b);
		}
		list.add(sb.toString());
		sb.delete(0, sb.length());
		for(int i = 0;i < b;i++){
			sb.append(a);
		}
		list.add(sb.toString());
		list.sort(Comparator.naturalOrder());
		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