import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String[] str_array = in.readLine().split(" ");
    String a = str_array[0];
    String b = str_array[1];
    String a_result = a;
    String b_result = b;
    for(int cnt = 1; cnt<Integer.parseInt(b); cnt++){
      a_result = a_result + a;
    }
    for(int cnt = 1; cnt<Integer.parseInt(a); cnt++){
      b_result = b_result + b;
    }
    System.out.println(Integer.parseInt(a)<Integer.parseInt(b)?a_result:b_result);
  }
}
/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