#include<fstream>
#include<vector>
#include<queue>
using namespace std;

#define pb push_back
#define mp make_pair
#define N 50004
#define inf 1000000000

ifstream cin("bellmanford.in");
ofstream cout("bellmanford.out");

int n,m,i,a,b,c;
vector<pair<int,int> > g[N];
vector<int> d(N,inf);
int V[N];
queue<int> q;

int main()
{
    cin>>n>>m;
    for (i=1;i<=m;i++) cin>>a>>b>>c, g[a].pb(mp(b,c));
    d[1]=0; V[1]=1;
    q.push(1);
    while (q.size()){
        int v=q.front();q.pop();
        for (i=0;i<g[v].size();i++){
            int to=g[v][i].first,len=g[v][i].second;
            if (d[v]+len<d[to]){
                ++V[to];
                if (V[to]==n){
                    cout<<"Ciclu negativ!";
                    return  0;
                }
                d[to]=d[v]+len;
                q.push(to);
            }
        }
    }
    for (i=2;i<=n;i++) cout<<d[i]<<' ';
    return 0;
}