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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int top,n;
int v[10],st[10];
void Afisare()
{
for(int i=1;i<=n;i++)
fout<<st[i]<<" ";
fout<<"\n";
}
void Back(int top)
{
int i;
if(top==n+1) Afisare();
else
for(i=1;i<=n;i++)
if(v[i]==0)
{
v[i]=1;
st[top]=i;
Back(top+1);
v[i]=0;
}
}
int main()
{
fin>>n;
fin.close();
Back(1);
fout.close();
return 0;
}