import java.util.Random;

public class GeneratorDumm{

    public static void main(String[] args){

	testedumm(5000);
	System.out.println();
    }

    public static void testedumm(int n){
	if (n>0) {
	    System.out.print(new Random().nextInt(2));
	    testedumm(--n);
	}
    }
}