#include <fstream>

using namespace std;

const int N = 5e4;
const int M = 25e4;
const int INF = 6e7;

struct arc
{
    int x, y, c;
};

int d[N+1], n, m;
arc e[M];

bool exista_circuit_negativ()
{
    for (int j = 0; j < m; j++)
    {
        if (d[e[j].x] + e[j].c < d[e[j].y])
        {
            return true;
        }
    }
    return false;
}

int main()
{
    ifstream in("bellmanford.in");
    ofstream out("bellmanford.out");
    in >> n >> m;
    for (int i = 0; i < m; i++)
    {
        in >> e[i].x >> e[i].y >> e[i].c;
    }
    d[1] = 0;
    for (int i = 2; i <= n; i++)
    {
        d[i] = INF;
    }
    for (int i = 0; i < n - 1; i++)
    {
        for (int j = 0; j < m; j++)
        {
            if (d[e[j].x] + e[j].c < d[e[j].y])
            {
                d[e[j].y] = d[e[j].x] + e[j].c;
            }
        }
    }
    if (exista_circuit_negativ())
    {
        out << "Ciclu negativ!\n";
    }
    else
    {
        for (int i = 2; i <= n; i++)
        {
            out << d[i] << " ";
        }
    }
    in.close();
    out.close();
    return 0;
}