import java.math.BigDecimal;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		BigDecimal bd = new BigDecimal(i);
		System.out.println(bd.pow(3));
	}

} import java.math.BigDecimal; BigDecimal java.math import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		BigDecimal bd = new BigDecimal(i);
		System.out.println(bd.pow(3));
	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		BigDecimal bd = new BigDecimal(i);
		System.out.println(bd.pow(3));
	} main {
		Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		BigDecimal bd = new BigDecimal(i);
		System.out.println(bd.pow(3));
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int i = sc.nextInt(); i sc.nextInt() sc.nextInt sc BigDecimal bd = new BigDecimal(i); bd new BigDecimal(i) System.out.println(bd.pow(3)) System.out.println System.out System System.out bd.pow(3) bd.pow bd 3 String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		BigDecimal bd = new BigDecimal(i);
		System.out.println(bd.pow(3));
	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		BigDecimal bd = new BigDecimal(i);
		System.out.println(bd.pow(3));
	}

} Main
import java.math.BigDecimal;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int i = sc.nextInt();
		BigDecimal bd = new BigDecimal(i);
		System.out.println(bd.pow(3));
	}

}