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

ifstream f ("bellmanford.in");
ofstream g ("bellmanford.out");

const int MAX_N = 50005;
const int INF = 0x3f3f3f3f;

vector < pair <int, int> > adj[MAX_N];

int main(void) {
    int n, m;
    f >> n >> m;
    for (int i = 0; i < m; ++ i) {
        int x, y, c;
        f >> x >> y >> c;
        adj[x].push_back(make_pair(y, c));
    }

    queue <int> Q;
    bitset <MAX_N> in_queue(false);
    vector <int> dist(MAX_N, INF), cnt_in_queue(MAX_N, 0);
    int negative_cycle = false;

    dist[1] = 0, Q.push(1), in_queue[1].flip();
    while (!Q.empty() && !negative_cycle)  {
        int x = Q.front();
        Q.pop();
        in_queue[x] = false;
        vector < pair <int, int> >::iterator it;
        for (it = adj[x].begin(); it != adj[x].end(); ++ it) if (dist[x] < INF)
            if (dist[it->first] > dist[x] + it->second) {
                dist[it->first] = dist[x] + it->second;
                if (!in_queue[it->first]) {
                    if (cnt_in_queue[it->first] > n)
                        negative_cycle = true;
                    else {
                        Q.push(it->first);
                        in_queue[it->first] = true;
                        cnt_in_queue[it->first] ++;
                    }
                }
            }
    }

    if (!negative_cycle) {
        for (int i = 2; i <= n; ++ i)
            g << dist[i] << " ";
    }
    else
        g << "Ciclu negativ!\n";

    return 0;
}