UVA – 495 – Fibonacci Freeze

import java.math.BigInteger;
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		BigInteger[] fib = fib(5001);
		Scanner in= new Scanner(System.in);
			int n = in.nextInt();
			System.out.printf("The Fibonacci number for %d is %d\n", n, fib[n] );

	public static BigInteger[] fib(int n) {
		BigInteger[] fib = new BigInteger[n + 1];
		fib[0] = BigInteger.ZERO;
		fib[1] = BigInteger.ONE;
		for (int i = 2; i <= n; i++) 
			fib[i]= fib[i-1].add(fib[i-2]);
		return fib;

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