import java.io.*;
import java.text.*;
//
//do while loop-a while loop is used when you need to execute the loop
//at least once.  The condition to exit is at the bottom.

//This program also illustrates the use of a boolean to control a loop
//and a function call (also called: invoking a 'method')

public class program6
{
	static final double FACTOR=.39;

	public static void doCalculation() throws IOException
	{
		double inches, cm;

		System.out.println("Enter the value in inches: ");

		BufferedReader in =new BufferedReader
		(new InputStreamReader(System.in));
		inches=Double.valueOf(in.readLine().trim()).doubleValue();

		cm=inches*FACTOR;

		System.out.println(inches+" inches equals "+cm+
		" centimeters.\n");

	}

	public static void main(String[] args) throws IOException
	{
		boolean done=false;
		String choice;

		System.out.println("This program converts inches"+
		" to centimeters.\n");

		BufferedReader in =new BufferedReader
		(new InputStreamReader(System.in));

		do
		{
			doCalculation();
			System.out.println("Do you want to do another: "
			+ "(y/n)?");
			choice=in.readLine();
			if (choice.equals("n"))
				done=true;
		}
		while(!done);//or: done==false

		System.out.println("\nProgram Over, Bye!!!\n");
	}

}