#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <iterator>
using namespace std;

typedef unsigned char byte;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
typedef unsigned long long ulonglong;

#define NDEBUG

#ifdef NDEBUG
#define dbg	0 && (*((ostream *) 0))
#else
#define dbg clog
#endif

int main(int argc, char * argv[]) 
{
	
	const char * inFile = "submultimi.in";
	const char * outFile = "submultimi.out";
	
	ifstream fin(inFile);
	ofstream fout(outFile);
	
	#ifndef NDEBUG
		if(!fin || !fout) 
		{
			cerr << "Error opening one of \"" << inFile << "\" or \"" << outFile << "\"" << endl;
			return -1;
		}
	#endif
	
	ulong n;
	fin >> n;
	
	std::vector<uint> stack;
	
	stack.push_back(1);
	for(std::vector<uint>::size_type i = 0; i < stack.size(); i++)
	{
		fout << stack[i] << " ";
	}
	fout << "\n";
	
	while(!stack.empty())
	{
		if(stack.back() < n)
		{
			stack.push_back(stack.back() + 1);
		}
		else
		{
			stack.pop_back();
			if(!stack.empty())
				stack.back()++;
		}
		
		for(std::vector<uint>::size_type i = 0; i < stack.size(); i++)
		{
			fout << stack[i] << " ";
		}
		fout << "\n";
	}
	
	fout.close();
	fin.close();
	
	return 0;

}