#include <iostream>
#include <vector>
#include <fstream>
#include <queue>
#define MAX 50005

using namespace std;

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

const int inf = 1e9;
vector < pair < int, int > > G[MAX];
int n, m, nod;
queue < int > Q;
int ap[MAX], dist[MAX];

int main()
{
    fin >> n >> m;
    for(int i = 1; i <= m; ++i){
        int x, y, z;
        fin >> x >> y >> z;
        G[x].push_back( make_pair(y, z) );
    }

    dist[1] = 0;
    for(int i = 2; i <= n; ++i)
        dist[i] = inf;
    Q.push(1);

    while(!Q.empty()){
        nod = Q.front();
        Q.pop();
        ap[nod]++;
        if(ap[nod] > m){
            fout << "Ciclu negativ!";
            return 0;
        }
        for(auto it: G[nod])
            if(dist[nod] + it.second < dist[it.first]){
                dist[it.first] = dist[nod] + it.second;
                Q.push(it.first);
            }
    }

    for(int i = 2; i <= n; ++i)
        fout << dist[i] << ' ';
    fout << '\n';

}