import java.util.Scanner;

/**
 * Main
 */
public class Main {

    public static void main(final String[] args) {
        final Scanner sc = new Scanner(System.in);
        // 整数の入力
        final int A = sc.nextInt();
        final int B = sc.nextInt();
        String mojiA = "";
        String mojiB = "";

        for(int i = 0; i < A; i++){
            mojiB = mojiB + String.valueOf(B);
        }
        for(int i = 0; i < B; i++){
            mojiA = mojiA + String.valueOf(A);
        }

        if(mojiA.compareTo(mojiB) < 0){
            System.out.println(mojiA);
        }else{
            System.out.println(mojiB);
        }
        
        sc.close();

    }
}
/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