#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;
    int a = 0;
    int b = 1;
    cout << a;
    while(b <= n)
    {
        cout << " " << b;
        int c = a + b;
        a = b;
        b = c;
    }
    cout << endl;
    return 0;
}