#include<stdio.h>
#define N 10
int n,sol[N];
void citire()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
}
bool valid(int k)
{
	for (int i=1;i<k; ++i)
		if (sol[i]==sol[k]) 
			return false;
	return true;
}
void afis()
{
	for (int i=1; i<=n; ++i)
		printf("%d ",sol[i]);
	printf("\n");
}
void back(int k)
{
	if (k==n+1)
	{
		afis();
		return;
	}
	for (int i=1; i<=n; ++i)
	{
		sol[k]=i;
		if (valid(k))
			back (k+1);
	}
}
int main()
{
	citire();
	back(1);
	return 0;
}