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#include <iostream>
#include <fstream>
#include <bitset>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int st[9],n;
bitset <9> d;
void afisare()
{
for(int i=1;i<=n;i++)
fout<<st[i]<<" ";
fout<<endl;
}
void back(int k)
{
for(int i=1;i<=n;i++)
if(d[i]==0)
{
d[i]=1;
st[k]=i;
if(k==n) afisare();
else back(k+1);
d[i]=0;
}
}
int main()
{
fin>>n;
back(1);
return 0;
}