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;
}
}
}