//
//	P.188 #2
//
//	name:	TestEven.java
//
//	...
//	goal:	numeric score --> letter grade
//

import java.util.Scanner;

public class TestEven
{
	public static void main(String[] args)
	{
		Scanner kb = new Scanner(System.in);

		int x;

		System.out.print("Input the value of x: ");
		x = kb.nextInt();

		if(x%2 == 0)	x /= 2;
		else			x = 3*x - 1;

		System.out.println("The value of x after if-statement is: " + x);
	}
}