#include<cstdio>
using namespace std;
int sol[11],n;
void back(int k)
{
	int i,j;
	bool ok;
	if(k==n) 
	{
		for(i=1;i<=n-1;i++) printf("%d ",sol[i]);
		printf("%d\n",sol[n]);
	}
	else 
		for(i=1;i<=n;i++)
		{
			ok=true;
			for(j=1;j<=k;j++)
				if(sol[j]==i)
				{
					ok=false;
					break;
				}
			if(ok)
			{
				sol[k+1]=i;
				back(k+1);
			}
		}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d\n",&n);
	back(0);
	fclose(stdin);fclose(stdout);
	return 0;
}