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#include <fstream>
#include <bitset>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
bitset<9>v;
int per[10];
inline void afisare(int n)
{
for(int i=1;i<=n;i++) fout<<per[i]<<" ";
fout<<"\n";
}
inline void permutari(int k,int n)
{
if(k==n+1) afisare(n);
else
{
for(int i=1;i<=n;i++)
{
if(v[i]==0)
{
per[k]=i;
v[i]=1;
permutari(k+1,n);
v[i]=0;
}
}
}
}
int main()
{
int n;
fin>>n;
permutari(1,n);
}