#include <bits/stdc++.h>

using namespace std;
ifstream in("bellmanford.in");
ofstream out("bellmanford.out");
#define NMAX 50001
#define inf 1e9
struct edge{
    int dest,cost;
    bool operator<(const edge&aux)const{
    return cost>aux.cost;
    }
}aux;
int f[NMAX];
vector<edge>g[NMAX];
queue<edge>pq;
int dist[NMAX];
bool bellmanford(int n){
    aux.cost=0;
    aux.dest=1;
    pq.push(aux);
    while(!pq.empty()){
        int node=pq.front().dest,cost=pq.front().cost;
        dist[node]=min(cost,dist[node]);
        f[node]++;
        pq.pop();
        if(f[node]<n){
            for(auto y:g[node]){
                if(dist[node]+y.cost<=dist[y.dest]){
                    aux.dest=y.dest;
                    aux.cost=y.cost+dist[node];
                    pq.push(aux);
                }

            }
        }
    else{
        out<<"Ciclu negativ!";
        return 0;
    }
    }
    return 1;
}
int main()
{
    int n,m;
    in>>n>>m;
    int x,y,cost;
    for(int i=1;i<=n;i++)
        dist[i]=inf;
    for(int i=1;i<=m;i++){
        in>>x>>y>>cost;
        aux.cost=cost;
        aux.dest=y;
        g[x].push_back(aux);
    }
    if(bellmanford(n)){
        for(int i=2;i<=n;i++)
            out<<dist[i]<<" ";
    }
    return 0;
}