#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
#define INF 200000010
#define N 50010

using namespace std;

ifstream f("bellmanford.in");
ofstream g("bellmanford.out");

bool Q[N];
vector<pair<int,int>> vec[N];
queue<int> que;
bool cycle=false;
int i,j,n,m,k,t,p,r,l,to,cost,dist[N],frecv[N];

int main()
{
    int x,y,z;
    f>>n>>m;
    while(m!=0)
    {
        f>>x>>y>>z;
        vec[x].push_back(make_pair(y,z));
        m--;
    }
    for(i=1;i<=n;i++)
        dist[i]=INF;
    Q[1]=1;
    dist[1]=0;
    que.push(1);
    int nod;
    while(!que.empty() && cycle==false)
    {
        nod=que.front();
        Q[nod]=0;
        que.pop();
        for(vector<pair<int,int>>::iterator it=vec[nod].begin();it!=vec[nod].end();it++)
        {
            to=it->first;
            cost=it->second;
            if(dist[to]>dist[nod]+cost)
            {
                dist[to]=dist[nod]+cost;
                if(Q[to]==0){
                frecv[to]++;
                Q[to]=1;
                que.push(to);
                }
            }
            if(frecv[to]>n)
                cycle=true;
        }
    }
    if(cycle==true)
        g<<"Ciclu negativ!";
    else{
        for(i=1;i<=n;i++)
            g<<dist[i]<<' ';
    }
}