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