#include <iostream>
#include <fstream>
#include <vector>
#include <stack>

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

const int NMax = 5e4 + 50;
const int inf = 2e9 + 5;

int N,M;
int dist[NMax];
struct muchie {
    int y,c;
    muchie(int _y = 0,int _c = 0) {
        y = _y;
        c = _c;
    }
};
vector<muchie> v[NMax];

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

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

    bool ok = false;
    for (int c=1;c<=N;++c) {
        ok = false;
        for (int i=1;i<=N;++i) {
            for (int k=0;k < (int)v[i].size();++k) {
                int next = v[i][k].y, cost = v[i][k].c;
                if (dist[next] > dist[i] + cost) {
                    dist[next] = dist[i] + cost;
                    ok = true;
                }
            }
        }
    }
    if (ok) {
        out<<"Ciclu negativ!";
    }
    else {
        for (int i=2;i<=N;++i) {
            out<<dist[i]<<' ';
        }
    }

    in.close();out.close();
    return 0;
}