#include<iostream>
#include <stdio.h>
#include<fstream>
#pragma warning(disable:4996)
#define MAX 9
using namespace std;



int check(int *s, int k) {
	for (int i = 1; i < k; i++)
			if (s[i] == s[k])
				return 0;
	return 1;
}

int solution(int *s, int k, int N) {
	if (k == N)
		return 1;
	return 0;
}

void print_solution(int *s, int N) {
	for (int i = 1; i <= N; i++)
		cout << s[i] << " ";
	cout << endl;
}

void permutation_bkt(int *s, int k, int N) {
	for (int i = 1; i <= N; i++) {
		s[k] = i;
		if (check(s, k)) {
			if (solution(s, k, N)) {
				print_solution(s, N);
			}
			else {
				permutation_bkt(s, k+1, N);
			}
		}
	}
}

int main() {
	freopen("permutari.in", "r", stdin);
	freopen("permutari.out", "w", stdout);
	int s[MAX], k = 1;
	int N; cin >> N;
	permutation_bkt(s, k, N);
	return 0;
}