#include<cstdio>
bool f[10];
int n,a[10];
void afis()
{
	for(int i=1;i<=n;i++)
		printf("%d ",a[i]);
	printf("\n");
}
void back(int l)
{
	if(l==n+1)
	{
		afis();
		return;
	}
	for(int i=1;i<=n;i++)
		if(!f[i])
		{
			f[i]=true;
			a[l]=i;
			back(l+1);
			f[i]=false;
		}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}