import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        
        int[] base = {1,11,111,1111,11111,111111,1111111,11111111,111111111};
        
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());
        
        String x = Integer.toString(a*base[b-1]);
        String y = Integer.toString(b*base[a-1]);
        
        System.out.println(x.compareTo(y)>0?y:x);
    }
}
/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