#include <cstdio>

using namespace std;

int n,sol[1000],numar;

void afisare()
{
    for(int i=1;i<=n;i++)
    {
        if(sol[i]==1)
        {
            printf("%d ",i);
        }
    }
    printf("\n");
}


void back(int k)
{
    if(k==n+1)
    {
        if(numar)
            afisare();
        numar++;
        return;
    }
    for(int i=0;i<=1;i++)
    {
        sol[k]=i;
        back(k+1);
    }
}



int main()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);
    scanf("%d",&n);
    back(1);

    return 0;
}