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#include<fstream>
using namespace std;
ifstream fin ("submultimi.in");
ofstream fout ("submultimi.out");
int n,v[20];
void afisare ()
{
for (int i=1;i<=n;i++)
if (v[i])
fout<<i<<' ';
fout<<'\n';
}
void sub()
{
int i=1;
while (i<=n)
{
i=1;
while(v[i])
v[i++]=0;
if(i>n)
return;
v[i]=1;
afisare();
}
}
int main ()
{
fin>>n;
sub();
return 0;
}