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#include <fstream>
using namespace std;
ifstream cin("damesah.in");
ofstream cout("damesah.out");
int n, cnt, x[20];
bool gasit = 0;
void afis()
{
if(!gasit)
{
for(int i=1; i<=n; i++)
cout << x[i] << " ";
cout << '\n';
}
cnt++;
}
bool valid(int k)
{
for(int i=1; i<k; i++)
if(x[k] == x[i])
return 0;
for(int i=1; i<k; i++)
if(k - i == abs(x[k] - x[i]))
return 0;
return 1;
}
void bkt(int k)
{
for(int i=1; i<=n; i++)
{
x[k] = i;
if(valid(k))
if(k == n)
{
afis();
gasit = 1;
}
else
bkt(k+1);
}
}
int main()
{
cin >> n;
bkt(1);
cout << cnt;
return 0;
}