import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int result = 1;
        while(result <=  N ){
            result = result * 2;
        }
        System.out.println(result / 2);
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int result = 1;
        while(result <=  N ){
            result = result * 2;
        }
        System.out.println(result / 2);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int result = 1;
        while(result <=  N ){
            result = result * 2;
        }
        System.out.println(result / 2);
    } main {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int result = 1;
        while(result <=  N ){
            result = result * 2;
        }
        System.out.println(result / 2);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int result = 1; result 1 while(result <=  N ){
            result = result * 2;
        } result <=  N result N {
            result = result * 2;
        } result = result * 2 result result * 2 result 2 System.out.println(result / 2) System.out.println System.out System System.out result / 2 result 2 String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int result = 1;
        while(result <=  N ){
            result = result * 2;
        }
        System.out.println(result / 2);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int result = 1;
        while(result <=  N ){
            result = result * 2;
        }
        System.out.println(result / 2);
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int result = 1;
        while(result <=  N ){
            result = result * 2;
        }
        System.out.println(result / 2);
    }
}
