#include <stdio.h>
using namespace std;
//ifstream f ("permutari.in");
//ofstream g ("permutari.out");//
unsigned short int n, s[10], flag[10];
void back(int k)
{
	int i;
	if (k>n) 
	{
		for (i=1; i<=n; ++i)
	{
		printf ("%d ", s [i]);
	}
	printf("\n");
	}
	for (i=1; i<=n; ++i)
	{
		if (flag[i]==0)
		{
			flag [i]=1;
			s[k]=i;
			back (k+1);
			flag [i]=0;
		}
		
	}
}
int main()
{
	freopen("permutari.in", "r", stdin);
	freopen ("permutari.out", "w", stdout);
	scanf ("%d", &n);
	back(1);
	return 0;
}