#include<bits/stdc++.h>
#define INF 0x3f3f3f3f
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
int N,M,x,y,c,d[50001],gr[50001];
vector <int> G[50001],C[50001];
queue <int> q;
int bellmanford(){
    for(int i=2;i<=N;++i)d[i]=INF;
    q.push(1);
    while(!q.empty()){
        x=q.front();
        ++gr[x];
        if(gr[x]>N) return-1;
        q.pop();
        for(int i=0;i<G[x].size();++i)
            if(d[G[x][i]]>d[x]+C[x][i]){
                d[G[x][i]]=d[x]+C[x][i];
                q.push(G[x][i]);
            }
    }
    return 1;
}
int main()
{
    f>>N>>M;
    while(M--){
        f>>x>>y>>c;
        G[x].push_back(y);
        C[x].push_back(c);
    }
    if(bellmanford()==-1)g<<"Ciclu negativ!";
    else{
        for(int i=2;i<=N;++i)
            if(d[i]==INF)g<<0<<' ';
            else g<<d[i]<<' ';
    }
    return 0;
}