#include "bits/stdc++.h"
using namespace std;


int main() {
	int N, M;
	cin >> N >> M;
	vector<int> item1(M), item2(M), score(M);
	vector<vector<int>> point(N, vector<int>(N, 0));
	for (int i = 0; i < M; i++)
	{
		cin >> item1[i] >> item2[i] >> score[i];
		point[item1[i]][item2[i]] += score[i];
	}

	int ans = -1;
	vector<int> ans2(M);

	for (int t = 0; t < 2000; t++)
	{
		vector<int> temp;
		int tempscore = 0;
		for (int i = 0; i < N; i++)
		{
			temp.push_back(i);
		}
		for (int i = 0; i < N; i++)
		{
			for (int j = i + 1; j < N; j++)
			{
				tempscore += point[i][j];
			}
		}

		for (int i = 0; i < 2000; i++)
		{
			int ta = rand() % N;
			int tb = rand() % N;
			if (ta > tb) swap(ta, tb);
			if (ta == tb) continue;
			int a = temp[ta];
			int b = temp[tb];
			//swap(temp[ta], temp[tb]);
			int add = 0;
			for (int j = ta + 1; j < tb; j++)
			{
				add -= point[a][temp[j]];
				add += point[temp[j]][a];
				add += point[b][temp[j]];
				add -= point[temp[j]][b];
			}
			add -= point[a][b];
			add += point[b][a];
			if (add>0){
				swap(temp[ta], temp[tb]);
				tempscore += add;
			}
		}
		if (ans < tempscore){
			ans = tempscore;
			ans2 = temp;
		}
	}
	cout << ans << endl;
	for (int i = 0; i < N; i++)
	{
		cout << ans2[i] << endl;
	}
	cin >> N;
	
}