#include <iostream>
#include <fstream>
#include <vector>
//#include <windows.h>
#include <queue>

#define inf 999999999
using namespace std;

ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");

vector <pair<int, int>> v[50050];
queue<int> q;

int n, m, a, b, c, freq[50050], cost[50050];

int main()
{
	fin >> n >> m;
	for (int i = 0; i < m; i++)
	{
		fin >> a >> b >> c;
		v[a].push_back(make_pair(b, c));

	}

	//init costuri:
	for (int i = 2; i <= n; i++)
		cost[i] = inf;
	cost[1] = 0;
	q.push(1);
	while (!q.empty())
	{
		int aux = q.front();
		freq[aux]++;
		if (freq[aux] >= m)
		{
			fout << "Ciclu negativ!";
			return 0;
		}
		q.pop();
		for (unsigned int i = 0; i < v[aux].size(); i++)
		{
			pair<int, int> x = v[aux][i];
			if (cost[x.first] > cost[aux] + x.second)
			{
				cost[x.first] = cost[aux] + x.second;
				q.push(x.first);
			}
		}
	}

	for (int i = 2; i <= n; i++)
		fout << cost[i] << " ";


	//system("pause");
	return 0;
}