#include<cstdio>

const int N=10;

int n,a[N],fr[N];

void citire()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
}

void afis()
{
	for (int i=1;i<=n;++i)
		printf("%d ",a[i]);
	printf("\n");
}

void back(int p)
{
	if (p==n+1)
	{
		afis();
		return;
	}
	for (int i=1;i<=n;++i)
		if (!fr[i])
		{
			fr[i]=true;
			a[p]=i;
			back(p+1);
			fr[i]=false;
		}
}

int main()
{
	citire();
	back(1);
	return 0;
}