#include<fstream>
#include<vector>
#include<queue>
#define pinf 999999999
#define pii pair<int,int>
using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
int n,m,x,y,c,i,ok,nod,d[50010],viz[50010];
vector < pii > v[50010];
queue <int> q;
int main()
{
    fin>>n>>m;
    for(i=1;i<=m;i++)
    {
        fin>>x>>y>>c;
        v[x].push_back({y,c});
    }
    for(i=1;i<=n;i++)
        d[i]=pinf;
    d[1]=0;
    q.push(1);
    while(!q.empty() && ok==0)
    {
        nod=q.front();
        q.pop();
        for(auto it : v[nod])
        {
            if(d[nod] + it.second < d[it.first])
            {
                d[it.first]=d[nod] + it.second ;
                viz[it.first]++;
                q.push(it.first);
                if(viz[it.first]>n)
                    ok=1;
            }
        }
    }
    if(ok==1)
        fout<<"Ciclu negativ!";
    else
        for(i=2;i<=n;i++)
            fout<<d[i]<<' ';

    fin.close();
    fout.close();
    return 0;
}