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