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#include<fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int x[15],n;
int solutie(int k)
{
return k==n+1;
}
int tipar()
{
int i;
for(i=1;i<=n;i++)
fout<<x[i]<<" ";
fout<<'\n';
}
int valid(int k)
{
int i;
for(i=1;i<k;i++)
if(x[k]==x[i])
{return 0;
}
return 1;
}
void bkt(int k)
{
int i;
if(solutie(k))
tipar();
else for(i=1;i<=n;i++)
{
x[k]=i;
if(valid(k))
bkt(k+1);
}
}
int main()
{
fin>>n;
bkt(1);
return 0;
}