#include <iostream>
#include <vector>
#include <algorithm>
#include <fstream>
#include <cmath>
using namespace std;
int n;
void for_loop(int i) {
    if(i == n) {
        return;
    }
    cout << i << endl;
    for_loop(i + 1);
    
}
int main() {
    cin >> n;
    for_loop(0);
    return 0;
}