import java.util.*;
public class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int firstNum = scanner.nextInt();
    int secondNum = scanner.nextInt();
    int sumOne = firstNum;
    for(int i=1; i<secondNum; i++){
      sumOne = sumOne * 10 + firstNum;
    }
    int sumTwo = secondNum;
    for(int i=1; i<firstNum; i++){
      sumTwo = sumTwo * 10 + secondNum;
    }
    if(sumOne > sumTwo) System.out.println(sumOne);
    else System.out.println(sumTwo);
  }
}
/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