#include <stdio.h>
 
using namespace std;
 
FILE *fin=fopen("submultimi.in","r");
FILE *fout=fopen("submultimi.out","w");
 
int i,k,n,nr,s[16],v[16];
 
void afis()
{
    int i;
    k++;
    if(k!=1)
    {
        for(i=1;i<=n;i++)
        {
            if(s[i]==1)
                fprintf(fout,"%d ",v[i]);
        }
        fprintf(fout,"\n");
    }
}
 
void back(int k)
{

    if(k==n) afis();
    
    int i;
    for(i=0;i<=1;i++)
    {
        s[k]=i;
        back(k+1);
    }
}
 
int main()
{
    fscanf(fin,"%d",&n);
    for(i=1;i<=n;i++)
        v[i]=i;
    back(1);

    fclose(fout);
    return 0;
}