import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		String x="";
		String y="";
		
		for(int i=0; i<n;i++){
			x = x + "" + m;
			}
		for(int o=0; o<m;o++){
			y = y + "" + n;
			}
		if(x.compareTo(y) < 0){
			System.out.println(x);
			}else if(y.compareTo(x) < 0){
				System.out.println(y);
			}else if(y.compareTo(x) == 0){
				System.out.println(y);
			}
		
		
	}
}
/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