#include <cstdio>

using namespace std;

FILE *f = fopen ("permutari.in","r");
FILE *g = fopen ("permutari.out","w");

int n, a[10], used[10];

void back(int k)
{
	if (k == n + 1) {
		for (int i = 1; i <= n; i++)
			fprintf (g, "%d ", a[i]);
		fprintf (g, "\n");
	}
	else 
		for (int i = 1; i <= n; i++)
			if (!used[i]) {
				a[k] = i;
				used[i] = 1;
				back(k + 1);
				used[i] = 0;
			}
}

int main()
{
	fscanf (f, "%d", &n);
	
	back(1);
	
	return 0;
}