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#include <fstream>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n,v[10];
bool ok[10];
void permutari(int poz)
{
if(poz==n+1)
{
for(int i=1;i<=n;i++)
cout<<v[i]<<" ";
cout<<'\n';
}
for(int i=1;i<=n;i++){
if(!ok[i]){
v[poz]=i;
ok[i]=true;
permutari(poz+1);
ok[i]=false;
}
}
}
int main()
{
cin>>n;
permutari(1);
return 0;
}