#include <fstream>
#include <queue>
#define NMAX 50003
#define INF 1000000000

using namespace std;
ifstream fin("bellmanford.in");
ofstream fout("bellmanford.out");

int n, m, x0, cmin[NMAX], prec[NMAX], nr[NMAX];
queue <int> C;
struct varf
{
    int x;
    int c;
};
    bool ok;
vector <varf> LA[NMAX];
void citire();
bool bellmanford();
void afisare();

int main()
{
    citire();
    ok=bellmanford();
    afisare();
    return 0;
}
void citire()
{
    int i, x, y, c;
    varf a;
    fin>>n>>m;
    for (i=1; i<=m; i++)
    {
        fin>>x;
        fin>>a.x>>a.c;
        LA[x].push_back(a);
    }
    x0=1;
}
bool bellmanford()
{
    int x, i;
    for (i=1; i<=n; i++)
        cmin[i]=INF;
    cmin[x0]=0;
    C.push(x0);
    nr[x0]=1;
    while (!C.empty())
    {
        x=C.front();
        C.pop();
        for (i=0; i<LA[x].size(); i++)
            if (cmin[LA[x][i].x]>cmin[x]+LA[x][i].c)
            {
                cmin[LA[x][i].x]=cmin[x]+LA[x][i].c;
                prec[LA[x][i].x]=x;
                nr[LA[x][i].x]++;
                C.push(LA[x][i].x);
                if (nr[LA[x][i].x]>=n)
                    return 0;
            }
    }
    return 1;
}
void afisare()
{
    int i;
    if(ok==0)
        fout<<"Ciclu negativ!";
    else
    {
        for(i=2; i<=n; i++)
            fout<<cmin[i]<<' ';
        fout<<'\n';
        ;
    }
}