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#include <bits/stdc++.h>
using namespace std;
ifstream fcin("submultimi.in");
ofstream fcout("submultimi.out");
bool v[20];
int n;
bool e1;
void f(int top)
{
if (top == n + 1)
{
if (e1 == false)
e1 = true;
else
{
for (int i = 1; i <= n; i++)
if (v[i])
fcout << i << ' ';
fcout << '\n';
}
}
else
{
for (int i = 0; i <= 1; i++)
{
v[top] = i;
f(top + 1);
}
}
}
int main()
{
fcin >> n;
f(1);
return 0;
}