#include <fstream>
#include <vector>
#include <queue>
#define NMAX 50005
#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], 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;
        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() && !circuitneg){
        x=C.front(); C.pop();
        /// parcurg lista de adiacenta a lui x
        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;
                if (nr[y]==n) circuitneg=1;
                else C.push(y);
            }
        }
    }
    if (circuitneg!=0) fout<<"Ciclu negativ!";
    else for (i=2; i<=n; i++) fout<<cmin[i]<<" ";
    return 0;
}