#include <fstream>
using namespace std;
ifstream in("damesah.in");
ofstream out("damesah.out");
int st[10], n, sol = 0, Map[10][10],ok=1;

void Afisare()
{
	int i;
	if (ok == 1) {
		for (i = 1; i <= n; i++) {
			out << st[i] << " ";
		}
		out << endl;
	}
}

bool verificareLinie(int linie, int coloana) {
	for (int i = 1; i <= n; i++) {
		if (i!=coloana && Map[linie][i] != 0) return false;
	}
	return true;
}

bool verificareColoana(int linie, int coloana) {
	for (int i = 1; i <= n; i++) {
		if (i!=linie && Map[i][coloana] != 0) return false;
	}
	return true;
}

bool verificareDiagonale(int pozx, int pozy) {
	int p=pozx-1, pp=pozy+1 ;
	while(p>0){
		if (Map[p][p] != 0) return false;
		p--;
	}
	while (pp <= n) {
		if (Map[pp][pp] != 0) return false;
		pp++;
	}
	p = pozx - 1; pp = pozy + 1;
	while (p > 0 && pp <= n) {
		if (Map[p][pp] != 0) return false;
		p--; pp++;
	}
	p = pozx + 1; pp = pozy - 1;
	while (p <= n && pp > 0) {
		if (Map[p][pp] != 0) return false;
		p++; pp--;
	}
	return true;
}

int Valid(int k)
{
	for (int i = 1; i <= k - 1; i++) {
		if (st[k] == st[i]) return 0;
	}
	return 1;
}

void restaurareMatrice() {
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++) {
			Map[i][j] = 0;
		}
	}
}

void Write() {
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++) {
			out << Map[i][j] << " ";
		}
		out << "\n";
	}
}


int analizare() {
	restaurareMatrice();
	for (int i = 1; i <= n; i++) {
		Map[i][st[i]] = 1;
	}

	for (int i = 1; i <= n; i++) {
		if (verificareLinie(i, st[i]) == 0 || verificareColoana(i, st[i]) == 0 || verificareDiagonale(i, st[i]) == 0) return 0;
	}
	return 1;
}

void Back(int k)
{
	int i;
	for (i = 1; i <= n; i++)
	{
		st[k] = i;
		if (Valid(k))
			if (k == n) {
				if (analizare()) Afisare(),	sol++, ok=0;
			}
			else Back(k + 1);
	}
}

int main()
{
	in >> n;
	Back(1);
	out << sol;
	return 0;
}