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#include <fstream>
using namespace std;
const int NMAX=17;
int n, viz[NMAX], s[NMAX];
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void backt(int poz){
if(poz==n+1){
for(int i=1;i<=n;i++)
fout<<s[i]<<" ";
fout<<"\n";
return;
}
for(int i=1;i<=n;i++){
if(!viz[i]){
s[poz]=i;
viz[i]=1;
backt(poz+1);
viz[i]=0;
}
}
}
int main()
{
fin >> n;
backt(1);
return 0;
}