public class FIB {

private double a;

private double b;

private double x;

public double getA() {return a; }

public void setA(double a) {this.a = a; }

public double getB() {return b; }

public void setB(double b) {this.b = b; }

public double getX() {return x; }

public void setX(double x) {this.x = x; }

public FIB() {a=0; b=0; x=0;}

public FIB(double a, double b, double x) {

super(); this.a = a; this.b = b; this.x = x;}

public double toFib(double a,double b,double x){

if (x<1){

System.out.println("ERROR! INCORECT INPUT DATA");

if (x == 1)return a;

if (x == 2)return b;

return toFib(b,a+b,x-1);

import java.util.Scanner;

public class FibTest {

public static void main(String[] args) {

Scanner Input = new Scanner(System.in);

FIB MYFIB = new FIB();

System.out.print("please Enter 1st Number:");

double a = Input.nextDouble();

System.out.print("please Enter 2nd Number:");

double b = Input.nextDouble();

System.out.print("please Enter Arguman Number:");

double x = Input.nextDouble();

System.out.println("Arguman: "+(int)x

+" of string("+(int)a+","+(int)b+","+(int)x+") = "+

(int)MYFIB.toFib(a, b, x));