#include<stdio.h>
int n,v[9];
void bkt(int k)
{
	int i,j;
	bool gasit;
	if (k==n)
	{
		for (i=1;i<=n;++i)
			printf("%d ",v[i]);
		printf("\n");
		return;
	}
	for(i=1;i<=n;++i)
	{
		gasit=false;
		for (j=1;j<=k;++j)
			if (v[j]==i)
				gasit=true;
		if (!gasit)
		{
			v[k+1]=i;
			bkt(k+1);
		}
	}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	bkt(0);
	return 0;
}