import java.util.Scanner;

/**

* Converts centimeters to feet and inches.

*/

public class Convert {

public static void main(String[] args) {

double cm;

int feet, inches, remainder;

final double CM_PER_INCH = 2.54;

final int IN_PER_FOOT = 12;

Scanner in = new Scanner(System.in);

System.out.print("Enter 1 to convert centimeters to feet and inches\n"

+ "Enter 2 to convert feet and inches to centimeters\n"

+ "Your choice: ");

int choice = in.nextInt();

if (choice == 1) {

System.out.print("Exactly how many cm? ");

cm = in.nextDouble();

if (cm < 0) {

System.out.print("Please enter a positive value for centimeters.");

} else {

inches = (int) (cm / CM_PER_INCH);

feet = inches / IN_PER_FOOT;

remainder = inches % IN_PER_FOOT;

inches = inches - (feet * IN_PER_FOOT);

System.out.printf("%.2f cm = %d ft, %d in\n", cm, feet, inches);

}

} else if (choice == 2) {

System.out.print("Enter feet: ");

feet = in.nextInt();

System.out.print("Enter inches: ");

inches = in.nextInt();

if (feet < 0 || inches < 0 || inches >= IN_PER_FOOT) {

System.out.println("Please enter valid and positive values for feet and inches.");

} else {

cm = (feet * IN_PER_FOOT + inches) * CM_PER_INCH;

System.out.printf("%d ft, %d in = %.2f cm\n", feet, inches, cm);

}

} else {

System.out.println("Invalid choice, please enter 1 or 2.");

}

}

}