#include<cstdio>
using namespace std;
int n,st[20];
void tipar()
{
    int i; bool ok=false;
    for (i=1;i<=n;++i)
        if (st[i]) printf("%d ",i), ok=true;
    if (ok) printf("\n");
}
void back(int k)
{
    int i;
    for (i=0;i<2;++i)
        {
            st[k]=i;
            if (k<n) back(k+1);
            else tipar();
        }
}
int main()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);
    scanf("%d",&n);
    back(1);
    return 0;
}