#include<cstdio>
using namespace std;
int viz[10],n,x[10];
void back(int k)
{
	int i;
	if(k<=n)
		for(i=1;i<=n;i++)
		{
			x[k]=i;
			if(viz[i]==0)
			{
				viz[i]=1;
				back(k+1);
				viz[i]=0;
			}
		}
	else
	{
		for(i=1;i<=n;i++)
			printf("%d ",x[i]);
		printf("\n");
	}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}