#include<stdio.h>
int x[10],y[10],n;
void afis()
{
	for (int i=1;i<=n;i++)
		printf("%d ",x[i]);
	printf("\n");
}

void bk(int k)
{
	if (k==n+1)
		afis();
	else
	{
		for (int i=1;i<=n;i++)
		if (!y[i])
		{
			y[i]=1;
			x[k]=i;
			bk(k+1);
			y[i]=0;
		}
	}
}
int main()
{
	freopen("perm.in","r",stdin);
	freopen("perm.out","w",stdout);
	scanf("%d",&n);
	bk(1);


	return 0;
}