#include <bits/stdc++.h>
#define maxn 50010
#define maxm 250010
#define inf 1000000000
using namespace std;

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

struct muchie
{
    long a, b, c;
} e[maxm];

long n, m, i, j, k, left, right, cost[maxn], f[maxn];
vector <long> v[maxn];
vector <pair<long, long> > h;

void init()
{
    long i;
    cost[1] = 0;
    for (i = 2; i <= n; i++)
        cost[i] = inf;
    h.push_back({ 0, 1 });
    make_heap(h.begin(), h.end());
}

void solve()
{
    pair<long, long> per;
    long i, j, nod, poz;
    long long pas = 0;
    while (h.size() && pas <= 1LL * n * m)
    {
        pas++;
        pop_heap(h.begin(), h.end());
        per = h.back();
        h.pop_back();
        nod = per.second;
        f[nod] = 0;
        for (j = 0; j < v[nod].size(); j++)
        {
            poz = v[nod][j];
            if (cost[e[poz].a] + e[poz].c < cost[e[poz].b])
            {
                cost[e[poz].b] = cost[e[poz].a] + e[poz].c;
                if (!f[e[poz].b])
                {
                    f[e[poz].b] = 1;
                    h.push_back({ -cost[e[poz].b], e[poz].b });
                    push_heap(h.begin(), h.end());
                }
            }
        }
    }
}

long check_negativ()
{
    long i;
    for (i = 1; i <= m; i++)
        if (cost[e[i].a] + e[i].c < cost[e[i].b])
            return 1;
    return 0;
}

int main()
{
    fin >> n >> m;
    for (i = 1; i <= m; i++)
    {
        cin >> e[i].a >> e[i].b >> e[i].c;
        v[e[i].a].push_back(i);
    }
    init();
    solve();
    if (check_negativ())
    {
        cout << "Ciclu negativ!\n";
        return 0;
    }
    for (i = 2; i <= n; i++)
        cout << cost[i] << ' ';
    return 0;
}