#include<fstream>

using namespace std;
#define NMAX 20

ifstream f("submultimi.in");
ofstream g("submultimi.out");

int n, x[NMAX],k ,s[NMAX];

inline void afis()
{
    if(s[n])
    {
        for(int i = 1; i <= n; ++i)
            if(x[i]) g<<i<<' ';
        g<<'\n';
    }
}
void back()
{
    k = 1, x[k] = -1;

    do
    {
        while(x[k] < 1)
        {
            x[k]++;
            s[k] = s[k - 1]+ x[k];
            if(k == n) afis();
                else x[++k] = -1;
        }
        k--;
    }
    while(k);
}
int main()
{

    f>>n;

    back();

    g.close();

    return 0;
}