#include<stdio.h>

int n, s[16], sel[16];

void afisare()
{
	int i;
	for (i=1; i<=n; i++)
		printf("%d ", s[i]);
	printf("\n");
}

int back(int nivel)
{
	if (nivel>n) {afisare(); return 0;}
	for(int i=1; i<=n; i++)
	{
		if (!sel[i])
		{
			sel[i]=1;
			s[nivel]=i;
			back(nivel+1);
			sel[i]=0;
		}
	}
	return 0;
}

int main()
{
	freopen("permutari.in", "r", stdin);
	freopen("permutari.out", "w", stdout);
	scanf("%d", &n);
	back(1);
	fclose(stdout);
	return 0;
}