#include <fstream>
#include <algorithm>
#include <vector>
#include <queue>
#define INF 1e10
#define sz 50000


using namespace std;


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


int viz[sz + 5];
bool in_queue[sz + 5];
int d[sz + 5];


struct muchie
{
    int x;
    int cost;
};


vector <muchie> v[sz + 5];
queue <int> q;


int n,m;


int main()
{
    fin>>n>>m;
    for(int i=1;i<=m;i++)
    {
        int x,y,cost;
        fin>>x>>y>>cost;
        v[x].push_back({y,cost});
    }
    for(int i=2;i<=n;i++) d[i]=INF;
    q.push(1);
    viz[1]=1;
    in_queue[1]=1;
    while(!q.empty())
    {
        int nod = q.front();
        in_queue[nod]=false;
        q.pop();
        for(auto& it : v[nod])
        {
            int vec=it.x;
            int cost=it.cost;
            if(d[vec]>d[nod]+cost)
            {
                d[vec]=d[nod]+cost;
                viz[vec]++;
                if(!in_queue[vec])q.push(vec),in_queue[vec]=true;
                if(viz[vec]>=n)
                {
                    fout<<"Ciclu negativ!";
                    return 0;
                }
            }
        }
    }
    for(int i=2;i<=n;i++) fout<<d[i]<<" ";
    return 0;
}