#include <iostream>
using namespace std;
const int N = 15;
int n;
int st[N];
void dfs(int u){
if(u >= n){
for(int i = 0; i < n; ++i){
if(st[i] == 1)
cout<<i + 1<<" ";
}
cout<<endl;
return;
}
st[u] = 2;
dfs(u + 1);
st[u] = 0;
st[u] = 1;
dfs(u + 1);
st[u] = 0;
}
int main(){
cin >> n;
dfs(0);
return 0;
}