class P02_Scanner {

	public static void main(String[] args) {

		java.util.Scanner s = new java.util.Scanner(System.in);

		int number = s.nextInt();
		System.out.println("It's square is " + number*number);

		s.close();

	}
}

// import java.util.Scanner;
// import java.util.*;
// Scanner s = new Scanner(System.in);