/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static int f(int n)
    {
        int c, i = 0, a = 1, b = 1;
        for (; i < n;)
        {
            c = i++ % 2 > 0 ? a - b : a + b;
            a = b;
            b = c;
        }
        return b;
    }
	public static void main (String[] args) throws java.lang.Exception
	{
		for (int i = 1; i < 14; i++)
		{
			System.out.println("For n = " + i + ", f(n) = " + f(i));
		}
	}
}