#include <fstream>
#include <vector>
#define NMAX 50002
#define INF 1000000000

using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");
struct arc
{
    int vf, c ;
};

vector<arc> G[NMAX];

int n, m, start=1;
int cmin[NMAX];
int nr[NMAX];
bool circuitneg=0;
queue<int> C;
int main()
{
    int i, x, y, cost;
    arc a;
    fin>>n>>m;
    for(i=0; i<m; i++)
    {
        fin>>x>>y>>cost; //exista arc de la x la y
        a.vf=y;
        a.c=cost;
        G[x].push_back(a);
    }
    for (i=1; i<=n; i++) cmin[i]=INF;
    cmin[start]=0;
    C.push(start);
    while(!C.empty() and !circuitneg)
    {
        x=C.front();
        C.pop();
        for(i=0; i<G[x].size(); i++)
        {
            y=G[x][i].vf;
            cost=G[x][i].c;
            if(cmin[y]>cmin[x]+cost)
            {
                cmin[y]=cmin[x]+cost;
                nr[y]++;
                if(nr[y]==n) circuitneg=1;

                else C.push(y);
            }
        }
    }
    if(circuitneg)
        fout<<"Ciclu negativ!";
    else
    {
        for(i=1; i<=n; i++)
            fout<<cmin[i]<<' ';
    }
    return 0;
}