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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int x[10],n,viz[10];
void Afisare()
{ int i;
for(i=1;i<=n;i++)
fout<<x[i]<<" ";
fout<<"\n";
}
void Back(int k)
{ int i;
for(i=1;i<=n;i++)
{ if(viz[i]==0)
{ x[k]=i;
viz[i]=1;
if(n==k) Afisare();
else Back(k+1);
viz[i]=0;
}
}
}
int main()
{ fin>>n;
Back(1);
return 0;
}