package Others;

import java.util.Scanner;

/**
 * Fibonacci sequence, and characterized by the fact that every number
 * after the first two is the sum of the two preceding ones.
 * <p>
 * Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21,...
 * <p>
 * Source for the explanation: https://en.wikipedia.org/wiki/Fibonacci_number
 */

public class FibToN {
 public static void main(String[] args) {
 //take input
 Scanner scn = new Scanner(System.in);
 int N = scn.nextInt();
 // print all Fibonacci numbers that are smaller than your given input N
 int first = 0, second = 1;
 scn.close();
 while (first <= N) {
 //print first fibo 0 then add second fibo into it while updating second as well

 System.out.println(first);

 int next = first + second;
 first = second;
 second = next;
 }
 }

}