public class Fibonacci {
	public Fibonacci(int val) {
		form(val);
	}

	public int form(int val) {
		if(val == 0) {
			return 0;
		} else if(val == 1) {
			return 1;
		} else {
			return form(val -1) + form(val -2);
		}
	}

	public static void main(String[] args) {
		
	}
}