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