#include <fstream>
#include <vector>
#include <bitset>
#include <queue>
#define DIM 50011
#define INF 1008099002
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int n,m,ng;
int D[DIM],U[DIM];

queue<int> Q;
vector<pair<int,int> > L[DIM];
vector<pair<int,int> >::iterator it;
bitset<DIM> viz;

int main(void){
    register int x,c,y,i,j;
    pair<int,int> p;

    f>>n>>m;
    for(i=1;i<=m;i++)
        f>>x>>y>>c,L[x].push_back(make_pair(y,c));
    for(i=2;i<=n;i++) D[i]=INF;

    Q.push(1),viz[1]=1;
    while(!Q.empty() && !ng){
        x=Q.front(),Q.pop(),viz[x]=0;
        for(it=L[x].begin();it!=L[x].end();it++){
            p=*it;
            if(D[p.first]>D[x]+p.second){
                U[p.first]++;
                if(U[p.first]==n){
                    ng=1;  break;
                }
                D[p.first]=D[x]+p.second;
                if(!viz[p.first])
                    Q.push(p.first),viz[p.first]=true;
            }
        }
    }

    if(ng)
        g<<"Ciclu negativ\n";
    else
        for(i=2;i<=n;i++)   g<<D[i]<<" ";
    f.close();
    g.close();
    return 0;
}