import java.util.*;
import java.lang.Math.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String a = sc.next();
		String b = sc.next();
        
        StringBuilder ab = new StringBuilder();
        StringBuilder ba = new StringBuilder();
      
        for (int i = 0; i < Integer.parseInt(b); i++) {
            ab.append(a);
        }
      
        for (int i = 0; i < Integer.parseInt(a); i++) {
            ba.append(b);
        }

      
        String answer = null;
        if (a.charAt(0) <= b.charAt(0)) {
            System.out.println(ab);
        } else {
            System.out.println(ba);
        }
	}
}
/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