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#include <fstream>
#include <vector>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
vector <int> v(9) ;
int valid(int &k)
{
for(int i=1;i<k;i++)
if(v[i]==v[k])
return 0;
return 1;
}
void print()
{
for(int i=1;i<=n;i++)
fout<<v[i]<<" ";
fout<<endl;
}
void bkt(int k)
{
for(int i=1;i<=n;i++)
{
v[k]=i;
if(valid(k))
if(k==n)
print();
else
bkt(k+1);
}
}
int main()
{
fin>>n;
bkt(1);
}