#include <fstream>
#include <vector>
#include <queue>
#define NMAX  50005
#define pb push_back
#define INF 1e9
using namespace std;

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

class Node{
public:
    int y, cost;
    Node(int y, int cost):y{y}, cost{cost} {}
};

vector<Node> G[NMAX];
queue<int>q;
int n, m;
bool is_negative = false;
int dist[NMAX];

void read_data(int &n, int &m){
    f >> n >> m;
    for(int i = 1; i<=m; i++){
        int x, y, cost;
        f >> x >> y >> cost;
        //g << x << y << cost << '\n'
        G[x].pb(Node(y, cost));
    }
}

void bellman_ford(int start){
    int cnt_cycle[n + 1];
    for(int i = 1; i<=n; i++){
        dist[i] = INF;
        cnt_cycle[i] = 0;
    }
    dist[start] = 0;
    q.push(start);
    while(!q.empty()){
        int node = q.front();
        q.pop();
        for(int i = 0; i<G[node].size(); i++){
            Node vec = G[node][i];
            if(dist[node] + vec.cost < dist[vec.y]){
                dist[vec.y] = dist[node] + vec.cost;
                cnt_cycle[vec.y] ++;
                if(cnt_cycle[vec.y] > n){
                    is_negative = true;
                    return;
                }
                else{
                    q.push(vec.y);
                }
            }
        }
    }
}

int main(){
    read_data(n, m);
    bellman_ford(1);
    if(is_negative == true){
        g << "Ciclu negativ!";
        return 0;
    }
    for(int i = 2; i<=n; i++){
        dist[i] != INF ? g << dist[i] << ' ' : g << 0 << ' ';
    }
    return 0;
}