#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
const int inf=1000000000;

int i,n,m,x,y,c,viz[50002],frq[50002],d[50002];
vector<pair<int,int>> graf[50002];
queue<int> q;

int BellmanFord(int start)
{
    int i;
    for(i=1;i<=n;i++)
    {
        viz[i]=0;
        frq[i]=0;
        d[i]=inf;
    }
    q.push(start);
    frq[start]=1;///e in coada
    d[start]=0;
    while(!q.empty())
    {
        int nod=q.front();
        viz[nod]++; ///vizitat
        if(viz[nod]>n)
            return 0;
        q.pop();
        frq[nod]=0;
        for(i=0;i<graf[nod].size();i++)
        {
            int vecin=graf[nod][i].first;
            int cost=graf[nod][i].second;
            if(d[vecin]>cost+d[nod])
            {
                d[vecin]=cost+d[nod];
                if(frq[vecin]==0)
                    q.push(vecin);
            }
        }
    }

    return 1;
}


int main()
{
    ///frq inseamna daca e sau nu in coada
    fin>>n>>m;
    for(i=1;i<=m;i++)
    {
        fin>>x>>y>>c;
        graf[x].push_back(make_pair(y,c));
    }
    if(BellmanFord(1))
    {
        for(i=2;i<=n;i++)
            fout<<d[i]<<' ';
    }
    else
        fout<<"Ciclu negativ!";
    return 0;
}