#include <cstdio>
#include <climits>
#include <vector>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <bitset>
#include <map>
#include <cstring>
#include <algorithm>
#define NMAX 2003
#define MOD 1000000007
using namespace std;

int n;
int sol[17];

FILE* fin, * fout;

void afis(int niv)
{
	for (int i = 1; i <= niv; i++)
	{
		fprintf(fout, "%d ", sol[i]);
	}
	fprintf(fout, "\n");
}

void submult(int nivel)
{
	if (nivel <= n)
	{
		for (int i = sol[nivel - 1]+1; i <= n; i++)
		{
			sol[nivel] = i;
			afis(nivel);
			submult(nivel + 1);
			sol[nivel] = 0;
		}
	}
}

int main()
{
	fin = fopen("submultimi.in", "r");
	fout = fopen("submultimi.out", "w");

	fscanf(fin,"%d", &n);
	submult(1);
	return 0;
}