#include <fstream>
#include <vector>
#include <queue>
#define INF 1<<30
#define NMax 50005
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int N,M;
int D[NMax];
bool InQ[NMax],NegativeCycle;
int NrQ[NMax];
vector <pair <int,int> > G[NMax];
queue <int> Q;
void Read()
{
    int i;
    f>>N>>M;
    for(i=1;i<=M;i++)
    {
        int x,y,c;
        f>>x>>y>>c;
        G[x].push_back(make_pair(y,c));
    }
}
void Solve()
{
    int i;
    for(i=2;i<=N;i++)
        D[i]=INF;
    Q.push(1);
    InQ[1]=1;
    NrQ[1]++;
    while(!Q.empty() && !NegativeCycle)
    {
        int nod=Q.front();
        Q.pop();
        for(i=0;i<G[nod].size();i++)
        {
            int vecin=G[nod][i].first;
            int cost=G[nod][i].second;
            if(D[vecin]>D[nod]+cost)
            {
                D[vecin]=D[nod]+cost;
                if(InQ[vecin]==0)
                {
                    Q.push(vecin);
                    InQ[vecin]=1;
                    NrQ[vecin]++;
                    if(NrQ[vecin]>N)
                        NegativeCycle=1;
                }
            }
        }
    }
}
void Print()
{
    int i;
    if(NegativeCycle==1)
    {
        g<<"Ciclu negativ!\n";
        return;
    }
    for(i=2;i<=N;i++)
        g<<D[i]<<" ";
    g<<"\n";
}
int main()
{
    Read();
    Solve();
    Print();
    return 0;
}