#include <stdio.h>
#define N 10
int n,viz[N],sol[N];
void back(int k)
{
	if (k==n+1)
	{
		for (int i=1; i<=n; i++)
			printf("%d ",sol[i]);
		printf("\n");
		return;
	}
	for (int i=1; i<=n; i++)
	{
		sol[k]=i;
		if (viz[i]==0)
		{
			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;
}