import java.io.*;
import java.util.*;

public class Main { // "Main" should be used for most online judges
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int times = 0;
		int count = 0;
		int n = sc.nextInt();
		int test = n;
		int i = 1;
		int counter = 0;
		while (n > 0) {
			if (n % 2 == 0) {

				while (test % 2 == 0) {
					test /= 2;
					times++;
				}
				if(count < times) {
					count = times;
				}
				times=0;
			} 
			n--;
			test = n;
		}
		while(counter < count)
		{
			i= i*2;
			counter++;
		}
		System.out.println(i);

	}
}
/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