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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,rez[101],f[101];
void afisare(){
for(int i=1;i<=n;i++)
fout<<rez[i]<<" ";
fout<<'\n';
}
void back(int poz){
if(poz == n+1)
afisare();
else{
for(int i=1;i<=n;i++){
if(f[i]==0){
rez[poz]=i;
f[i]=1;
back(poz+1);
f[i]=0;
}
}
}
}
int main(){
fin>>n;
back(1);
return 0;
}