#include <bits/stdc++.h>
#define Nmax 50005
#define INF (1 << 30)

using namespace std;

struct muchie
{
    int nod, cost;
};

vector <muchie> L[Nmax];
bool Negative, viz[Nmax];
int dist[Nmax], cnt[Nmax], n, m;
queue <int> q;

void Citire()
{
    ifstream f("bellmanford.in");
    f >> n >> m;
    muchie w;
    int x;
    for(int i = 1; i <= m; i++)
    {
        f >> x >> w.nod >> w.cost;
        L[x].push_back(w);
    }
    f.close();
}

void BellmanFord()
{
    for(int i = 1; i <= n; i++)
        dist[i] = INF;
    dist[1] = 0;
    viz[1] = true;
    cnt[1] = 1;
    q.push(1);
    while(!q.empty() && !Negative)
    {
        int k = q.front();
        q.pop();
        viz[k] = false;
        for(unsigned i = 0; i < L[k].size(); i++)
        {
            int j = L[k][i].nod;
            int c = L[k][i].cost;
            if(dist[j] > dist[k] + c)
            {
                dist[j] = dist[k] + c;
                if(!viz[j])
                {
                    q.push(j);
                    viz[j] = true;
                    cnt[j]++;
                    if(cnt[j] > n)
                        Negative = true;
                }
            }
        }
    }
}

void Afisare()
{
    ofstream g("bellmanford.out");
    if(Negative == true)
        g << "Ciclu negativ!";
    else
        for(int i = 2; i <= n; i++)
            g << dist[i] << " ";
    g << "\n";
    g.close();
}

int main()
{
    Citire();
    BellmanFord();
    Afisare();
    return 0;
}