import java.util.Scanner;

class Main {

    public static void main(String[] args) {
        new Main().compute();
    }

    void compute() {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int i;
        for (i = 1; i <= N; i *= 2);
        System.out.println(i / 2);
    }
} import java.util.Scanner; Scanner java.util class Main {

    public static void main(String[] args) {
        new Main().compute();
    }

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

class Main {

    public static void main(String[] args) {
        new Main().compute();
    }

    void compute() {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int i;
        for (i = 1; i <= N; i *= 2);
        System.out.println(i / 2);
    }
}
