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