#include<iostream>
#include<fstream>
#include<set>
#include<algorithm>
#include<vector>
#include<queue>
#define inf 1e9
using namespace std;
int i, n, m, x, y, cost, d[50005], ok = 1, frec[50005], inq[50005];
struct muchie
{
    int x;
    int y;
    int cost;
};
vector<muchie> muc[50005];

queue <int> q;

int main()
{
    freopen("dijkstra.in", "r", stdin);
    freopen("dijkstra.out", "w", stdout);
    cin >> n >> m;

    for(int i = 1; i <= m; i++)
    {
        cin >> x >> y >> cost;
        muchie aux;
        aux.x = x;
        aux.y = y;
        aux.cost = cost;

        muc[x].push_back(aux);
    }
    fill(d + 2, d + n + 1, inf);
    q.push(1);
    while(!q.empty())
    {
        int nod = q.front();
        frec[nod]++;
        inq[nod]=0;
        if(frec[nod]>n)
        {
            cout << "Ciclu negativ!";
            return 0;
        }
        q.pop();
        for(auto v: muc[nod])
        {
            if(d[v.y]>d[nod] + v.cost)
            {
                d[v.y] = d[nod] + v.cost;
                if(!inq[v.y]){
                q.push(v.y);
                inq[v.y]=1;
                }

            }
        }
    }
     for(int i = 2; i <= n; i++)
    {
        if(d[i] == inf)
            cout << 0 << " ";
        else
            cout << d[i] << " ";
    }

}