package academy.learnprogramming;

import java.sql.SQLOutput;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
	double inches = 5;
	double feet = 7;
	calcFeetAndInchesToCentimeters(feet, inches);
	calcFeetAndInchesToCentimeters(100);
    }

    public static double calcFeetAndInchesToCentimeters(double feet, double inches){
        if (feet >= 0  && inches >= 0 && inches < 12) {
            double x = feet * 12;
            double centimeters = (inches + x) * 2.54;
            System.out.println(" " + feet + " feet " + inches + " inch(es) = " + centimeters + " cm.");
            return centimeters;
        }
        else {
            System.out.println("Invalid feet or inches.");
            return -1;
        }
    }
    public static double calcFeetAndInchesToCentimeters(double inches){
        if(inches >= 0){
            double feet = (int) inches/12;
            double remainingInches = (int) inches%12;
            System.out.println(inches +" inches is equal to "+feet+" feet and "+remainingInches + " inches.");
            return calcFeetAndInchesToCentimeters(feet, remainingInches);
        }
        else{
            return -1;
        }
    }
}