import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		String x="",y="";
		for(int i=0;i<b;i++) {
			x+=a;
		}
		for(int i=0;i<a;i++) {
			y+=b;
		}
		String[] n= {x,y};
		Arrays.parallelSort(n);
		System.out.print(n[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