#include <iostream>
#include <vector>
#include <fstream>
#include <queue>
#include <bitset>

using namespace std;

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

int n, m, ok;
const int nmax = 50005, val_mare =  0x3f3f3f3f;
int negative_cycle;
vector<pair<int, int> > list_vec[nmax];
int dist[nmax];

void bellman_ford_q(int start)
{
    queue <int> q;
    bitset <nmax> in_coada(false);
    int contor_in_coada[nmax], i;
    //vector <int> dist(MAX_N, INF), in_coada(MAX_N, 0);

    for(i = 1; i <= n; ++i)
        dist[i] = val_mare;

    dist[start] = 0;
    q.push(start);
    in_coada[start] = 1;

    int curent, vecin, cost;

    while (!q.empty() && !negative_cycle)
    {
        curent = q.front();
        q.pop();
        in_coada[curent] = false;

        for(auto it : list_vec[curent])
        {
            if(dist[curent] < val_mare)
            {
                vecin = it.first;
                cost = it.second;
                if (dist[vecin] > dist[curent] + cost)
                {
                    dist[vecin] = dist[curent] + cost;
                    if (!in_coada[vecin])
                    {
                        if (contor_in_coada[vecin] > n)
                            negative_cycle = true;
                        else
                        {
                            q.push(vecin);
                            in_coada[vecin] = true;
                            contor_in_coada[vecin]++;
                        }
                    }
                }
            }
        }
    }
}
int main()
{
    int u, v, c, i;
    fin>>n>>m;

    for(i = 1; i <= m; ++i)
    {
        fin>>u>>v>>c;
        list_vec[u].push_back({v, c});
    }

    bellman_ford_q(1);

    if(negative_cycle)
        fout<<"Ciclu negativ!";
    else
    {
        for(i = 2; i <= n; ++i)
            fout<<dist[i]<<' ';
    }
    return 0;
}