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#include <fstream>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int n,cnt,v[20],col[20],d1[20],d2[20];
void sheah(int pas){
if(pas>n){
cnt++;
if(cnt==1){
for(int i=1;i<=n;i++)
fout<<v[i]<<" ";
fout<<"\n";
}
return;
}
for(int i=1;i<=n;i++){
if(col[i]==0 && d1[pas+i]==0 && d2[pas-i]==0){
col[i]=1;
d1[pas+i]=1;
d2[pas-i]=1;
v[pas]=i;
sheah(pas+1);
col[i]=0;
d1[pas+i]=0;
d2[pas-i]=0;
}
}
}
int main(){
fin>>n;
sheah(1);
fout<<cnt;
return 0;
}