import java.util.Scanner;

public class HelloWorld {

	    public static void main(String[] args) throws Exception {

	    	Scanner sc = new Scanner(System.in);
	    	int n = sc.nextInt();
	    	sc.close();
	    	
	    	if (n ==0) {System.out.print("1");
	    	}else {
	    	
	    	System.out.print("01");
	    	for (int i = 0; i < n; i++) {
	    		System.out.print("0");
	    	}}

	    	}

	    }