public class Testany {

    public static void main(String[] args) {

        int value = number(10);

        System.out.println(value);

    }

    public static int number(int k){

        int value = 0;

        int a = 1;

        int b = 1;

        for(int i =1; i<=k;i++){

            value= a+b;

            a = b;

            b= value;

        }

        return  value;

    }

}

public static void main(String[] args) {

        int value = Fun(10);

        System.out.println(value);

    }

    public static int Fun(int k){

        int arr[] = new int[k];

        arr[0] = arr[1] = 1;

        for (int i = 2; i < arr.length; i++) {

            arr[i] = arr[i - 1] + arr[i - 2];

        }

        return arr[k-1];

    }

public static void main(String[] args) {

        System.out.println(getFibo(10));

    }

    private static int getFibo(int i) {

        if (i == 1 || i == 2)

            return 1;

        else

            return getFibo(i - 1) + getFibo(i - 2);

    }