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#include <iostream>
#include <fstream>
#define Nmax 110
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,x[Nmax],viz[Nmax];
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)
{ viz[i]=1;
x[k]=i;
if (k==n) Afisare ();
else Back(k+1);
viz[i]=0;
}
}
int main()
{
fin>>n;
Back(1);
return 0;
}