#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
#define uint unsigned int


using namespace std;

const int INF = 1e9;


int main() {
#ifdef HOME
    ifstream cin("A.in");
    ofstream cout("A.out");
#endif
    ifstream cin("bellmanford.in");
    ofstream cout("bellmanford.out");
    int i, n, m;
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    cin >> n >> m;
    vector <vector <pair <int, int>>> g(n + 1);
    for(i = 1; i <= m; i++) {
        int x, y, z; cin >> x >> y >> z;
        g[x].push_back({y, z});
    }

    vector <int> dst(n + 1, INF), num(n + 1);
    vector <bool> inq(n + 1);

    queue <int> Q;
    Q.push(1), dst[1] = 0;
    inq[1] = 1;

    while(Q.size()) {
        int nod = Q.front();
        Q.pop();
        if(num[nod] == n) {
            cout << "Ciclu negativ!";
            return 0;
        }
        num[nod]++, inq[nod] = 0;
        for(auto it : g[nod]) {
            if(dst[it.first] > dst[nod] + it.second) {
                dst[it.first] = dst[nod] + it.second;
                if(inq[it.first] == 0) {
                    Q.push(it.first);
                    inq[it.first] = 1;
                }
            }
        }
    }
    for(i = 2; i <= n; i++) {
        cout << dst[i] << " ";
    }

    return 0;
}