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#include <fstream>
using namespace std;
short int N, Stack[9];
ifstream fin("permutari.in");
ofstream fout("permutari.out");
inline bool Valid(short int k)
{
for(short int i=1; i<k; ++i)
if(Stack[i]==Stack[k])
return 0;
return 1;
}
inline void Show()
{
for(short int i=1; i<=N; ++i)
fout<<Stack[i]<<' ';
fout<<'\n';
}
inline void Permut(short int k)
{
for(Stack[k]=1; Stack[k]<=N; Stack[k]++)
if (Valid(k))
{
if(k==N)
Show();
else Permut(k+1);
}
}
int main()
{
fin>>N;
Permut(1);
}