#include <iostream>
#include <vector>
#include <set>
#include <stdlib.h>
#include <stdio.h>
#include <cassert>
#include <queue>
#include <bitset>
using namespace std;


#define pb push_back
#define mp make_pair
#define f first
#define s second
#define nmax 50005
#define inf 0x3f3f3f3f

vector<vector < pair<int,int> > >G(nmax);
bitset <nmax> mark;
int n,m,nr[nmax],d[nmax];

void read();
bool bellmanford();
void write();

int main()
{
    read();
    write();

    return 0;
}


bool bellmanford(){

    for(int i=2;i<=n;i++)
        d[i] = inf;
    d[1] = 0;
    queue<int>Queue;
    Queue.push(1);

    while(!Queue.empty()){

        int node = Queue.front();
        Queue.pop();
        nr[node]++;

        if(nr[node] > n)
            return false;

        for(int i=0;i<G[node].size();++i){
            long long sum = d[node] + G[node][i].s;

            if(sum < d[G[node][i].f]){
                d[G[node][i].f] = sum;
                Queue.push(G[node][i].f);
            }
        }

    }

    return true;
}


void write(){

    FILE * fout = fopen("bellmanford.out","w");

    if(!bellmanford())
        fprintf(fout,"Ciclu negativ!");
    else
        for(int i=2;i<=n;i++)
            fprintf(fout,"%d ",d[i]);
}

void read(){

    FILE * fin = fopen("bellmanford.in","r");

    fscanf(fin,"%d %d", &n, &m);

    for(int i=1;i<=m;i++){
        int x,y,c;
        fscanf(fin,"%d %d %d", &x, &y, &c);
        G[x].pb(mp(y,c));
    }
}