# include <stdio.h>
int n,k,sol[10];
void afis()
{
	int i;
	for (i=1; i<=n; i++)
		printf("%d ",sol[i]);
	printf("\n");
}
bool ok(int k)
{
	int i;
	for (i=1; i<k; i++)
		if (sol[i]==sol[k]) return false;
	return true;
}
void back(int k)
{
	int i;
	if (k>n) afis();
	else
	{
		for (i=1; i<=n; i++)
		{
			sol[k]=i;
			if (ok(k)) back(k+1);
		}
	}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d\n",&n);
	back(1);
}