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#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
vector <int> sol;
int n;
bool ap[10];
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void afisare (){
for(int i=0;i<sol.size();i++)
fout<<sol[i]<<' ';
fout<<'\n';
}
void back (int k)
{
if(k==n){
afisare();
return;
}
for(int i=1;i<=n;i++){
if(ap[i]==0){
sol.push_back(i);
ap[i]=1;
back(k+1);
sol.pop_back();
ap[i]=0;
}
}
}
int main()
{
fin>>n;
back(0);
return 0;
}