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import java.util.Scanner;

public class FibToN {

public static void main(String[] args) {

//take input

Scanner scn = new Scanner(System.in);

int N = scn.nextInt();

// print fibonacci sequence less than N

int first = 0, second = 1;

//first fibo and second fibonacci are 0 and 1 respectively

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;

}

}

}