#include <stdio.h>
#define NMAX 10
int n,st[NMAX];
char viz[NMAX];
void show()
{
	int i;
	for (i=1; i<=n; i++)
		printf("%d ",st[i]);
	printf("\n");
}
void back(int k)
{
	if (k==n+1)
	{
		show();
		return ;
	}
	int i;
	for (i=1; i<=n; i++)
		if (!viz[i])
		{
			st[k]=i; viz[i]=1;
			back(k+1);
			viz[i]=0;
		}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}