#include <stdio.h>
#include <algorithm>
#include <vector>
using namespace std;


int main ()
{
	int n, i;
	vector<int> v;
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d", &n);
	for (i = 1; i <= n; ++i)
		v.push_back(i);
	do
	{
		for (i = 0; i < n; ++i)
			printf("%d ", v[i]);
		printf("\n");
	}while (next_permutation(v.begin(), v.end()));
}