Fibonacci Sequence, cannot go further than 92

Fibonacci

import java.util.Scanner;
import java.io.*;

public class Fibonacci {
	public static void main (String [] args) {
		
		long f = 0;
		long n = 1;

		Scanner input = new Scanner(System.in);
		int x = input.nextInt();

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

				f = f + n;
				n = f - n;
			}

			n = n;
			f = f;

			System.out.println(f);
			}
	}