#include <bits/stdc++.h>
#define nmax 50005
#define inf 50000005
using namespace std;
ifstream f("kruskal.in");
ofstream g("kruskal.out");
string mesaj="Ciclu negativ!";
int n,m,cost[nmax],fr[nmax];
vector<pair<int,int>> adj[nmax];///nod,cost
queue<int> Q;///noduri care s-au imbunatatit la pasul anterior
int main()
{
    f>>n>>m;
    for(int i=1;i<=m;i++)
    {
        int x,y,c;
        f>>x>>y>>c;
        adj[x].push_back({y,c});
    }
    for(int i=1;i<=n;i++)
    {
        cost[i]=inf;
    }
    cost[1]=0;
    Q.push(1);
    while(!Q.empty())
    {
        int nod=Q.front();
        fr[nod]++;
        if(fr[nod]==n)
        {
            g<<mesaj;
            return 0;
        }
        Q.pop();
        for(auto it:adj[nod])
        {
            int copil=it.first;
            int cost_copil=it.second;
            if(cost[nod]+cost_copil<cost[copil])
            {
                cost[copil]=cost[nod]+cost_copil;
                Q.push(copil);
            }
        }
    }
    for(int i=2;i<=n;i++)
    {
        g<<cost[i]<<" ";
    }
}