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

#define pi pair < int, int >
#define Nmax 50005

using namespace std;

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

int vf, muchii, x, y, cost;
int Distanta[Nmax], NrQ[Nmax];

vector < pi > Numbers[Nmax];
priority_queue < pi, vector < pi >, greater < pi > > Coada;

int ok;

int Dijkstra( int Nod_S )
{
    int Nod, Vecin, Cost, C;

    for( int i =1; i <= vf; ++ i )
        Distanta[i] = 1e9;
    Distanta[Nod_S] = 0;

    Coada.push({0, Nod_S});
    while( !Coada.empty() )
    {
        Nod = Coada.top().second;
        C = Coada.top().first;
        Coada.pop();

        if( C < Distanta[Nod] )
            continue;
        for( unsigned int i = 0; i < Numbers[Nod].size(); ++ i )
        {
            Vecin = Numbers[Nod][i].first;
            Cost = Numbers[Nod][i].second;

            if( Distanta[Nod] + Cost < Distanta[Vecin] )
            {
                Distanta[Vecin] = Distanta[Nod] + Cost;
                Coada.push({Distanta[Vecin], Vecin});
                NrQ[Vecin] ++;
                if( NrQ[Vecin] > vf )
                    ok = -1;
            }
        }
    }
    return ok;

}

int main()
{
    fin >> vf >> muchii;
    for( int i = 1; i <= muchii; ++ i )
    {
        fin >> x >> y >> cost;
        Numbers[x].push_back({y, cost});
    }
    if(Dijkstra(1) == 0)
        for( int i = 2; i <= vf; ++ i )
            fout << Distanta[i] << " ";
    else
        fout << "Ciclu negativ!";
    return 0;
}