#include <iostream>
#include <fstream>

using namespace std;

int n,sol[14],nr=0;

ifstream in("damesah.in");
ofstream out("damesah.out");

int abs(int a){
    if(a>=0)
        return a;
    return a*(-1);
}

int valid(int k){
    for(int i=1;i<k;i++){
        if(sol[i] == sol[k] || (abs(sol[i]- sol[k]) == abs(i-k)))
            return 0;
    }
    return 1;

}

void back(int k){

    if(k == n+1){
        nr++;
        if(nr==1){
        for(int i=1;i<=n;i++)
            out<<sol[i]<<" ";
        out<<"\n";
        }
    }
    else{
        sol[k]=0;
        while(sol[k]<n){
            sol[k]++;
            if(valid(k))
                back(k+1);
        }

    }

}

int main()
{
    

    in>>n;
    back(1);
    out<<nr;





    in.close();
    out.close();
    return 0;
}