// Page 088 - 089

import java.util.Scanner;
class Prog_7_1m
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		int aVal;
		aVal=input.nextInt();
		double myResult;
		myResult = Square(aVal);
		System.out.println("\n\nSquare of "+aVal+" is "+myResult);

		System.out.println("--------------------");
		myResult = Half(aVal);     // method call
		System.out.println("Half of "+aVal+" is "+myResult );

		System.out.println("--------------------");
		myResult = Tripple(aVal);     // method call
		System.out.println("Tripple of "+aVal+" is "+myResult + "\n\n\n");

	}

	private static double Square(double s)
	{
			return s*s;
	}

	private static double Half(int n)
	{
		return (double)n/2;
	}

	private static double Tripple(int n)
	{
		return n*3.0;
	}


}