#include <iostream>
#include <fstream>
#include <vector>
#include <cwchar>

using namespace std;
ifstream in("bellmanford.in");
ofstream out("bellmanford.out");

const int NMax = 5e4 + 5;
const int inf = 1e9;

int N,M;
int dist[NMax];

struct elem {
    int y,c;
    elem() {}
    elem(int a,int b) {
        y = a;
        c = b;
    }
};
vector<elem> v[NMax];

int main() {
    in>>N>>M;
    for (int i=1;i<=M;++i) {
        int x,y,c;
        in>>x>>y>>c;
        elem e(y,c);
        v[x].push_back(e);
    }

    for (int i=2;i<=N;++i) {
        dist[i] = inf;
    }

    bool update;
    for (int cont=1;cont<=N;++cont) {
        update = false;
        for (int i=1;i<=N;++i) {
            for (int j=0;j<v[i].size();++j) {
                int next = v[i][j].y, cost = v[i][j].c;
                if (dist[next] > dist[i] + cost) {
                    dist[next] = dist[i] + cost;
                    update = true;
                }
            }
        }
    }

    if (update) {
        out<<"Ciclu negativ!";
    }
    else {
        for (int i=2;i<=N;++i) {
            out<<dist[i]<<' ';
        }
    }

    return 0;
}