#include <stdio.h>
#include <vector>
#include <algorithm>

using namespace std;
 
int main () {
	int N;
	vector<int> V;

	freopen("permutari.in", "r", stdin);
	freopen("permutari.out", "w", stdout);
 
	scanf("%d", &N);

	for (int i = 0; i < N; i++)
		V.push_back(i+1);

	do{
		for (int i = 0; i < N; ++i)
			printf("%d ", V[i]);
		printf("\n");
	}while(next_permutation(V.begin(), V.end()));
	
	return 0;
}