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#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int st[17], n;
void Afisare(int k)
{
for(int i = 1; i <= k; i++)
fout << st[i] << " ";
fout << "\n";
}
bool Valid(int top)
{
if(top == 1 || st[top] > st[top - 1]) return true;
return false;
}
void Back(int top)
{
for(int i = 1; i <= n; i++)
{
st[top] = i;
if(Valid(top))
{
Afisare(top);
Back(top + 1);
}
}
}
int main()
{
fin >> n;
Back(1);
fin.close();
fout.close();
return 0;
}