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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,p[40],uz[40];
void afisare()
{for(int i=1;i<=n;i++)fout<<p[i]<<" ";
fout<<"\n";
}
void genpermutari(int k)
{if(k-1==n)afisare();
else for(int i=1;i<=n;i++)
if(!uz[i]){p[k]=i;uz[i]=1;
genpermutari(k+1);
uz[i]=0;}
}
int main()
{fin>>n;
genpermutari(1);
return 0;
}