package main;
import java.util.ArrayList;
import java.util.Scanner;
public class Main {
public ArrayList<Integer> solu(int a) {
ArrayList<Integer> an = new ArrayList<Integer>();
an.add(1); //0
an.add(1); //1
an.add(2); //2
for(int i = 2; i < a -1; i ++) {
int ac = an.get(i-1) + an.get(i);
an.add(ac);
}
return an;
}
public static void main(String[] args) {
Main main = new Main();
Scanner scan = new Scanner(System.in);
int a = scan.nextInt();
System.out.println(main.solu(a));
}
}