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