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();
      	String sa = "";
      	String sb = "";
      	for(int i = 0; i < b; i++) sa += String.valueOf(a); 
      	for(int i = 0; i < a; i++) sb += String.valueOf(b); 
      	if(Integer.parseInt(sa) > Integer.parseInt(sb)){
          System.out.print(sa);
        }else{
          System.out.print(sb);
        }
    }
}
/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