#include <iostream>
using namespace std;

int main() {
    int n, a, b, c, i;
    cin >> n;
    a = b = c =1;
    cout << 1 << " ";

    while (c <= n){
        cout << c << " ";
        c = a + b;
        a = b;
        b = c;
    }
    return 0;
}