#include<iostream>
using namespace std;
int main()
{
    int limit;
    cin >> limit;
    if (limit < 0)
    {
        cout << " Invalid input";
        
    }
    else{
        int a=0,b=1
        cout<< a;
        if (limit >=1)
        cout<< " " <<b;
        int next =a+b;
        while ( next <= limit){
            cout << " " <<next;
            a=b;
            b=next;
            next=a+b;
            
            
        }
    }
    return 0;
}