#include<iostream>
#include<array>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<tuple>
#include<cassert>
using namespace std;
typedef long long ll;
const ll mod = 1000000007;
const ll INF = (ll)1000000007 * 1000000007;
typedef pair<int, int> P;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define Per(i,sta,n) for(int i=n-1;i>=sta;i--)
typedef long double ld;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ll, ll> LP;
int dx[4]={1,-1,0,0};
int dy[4]={0,0,1,-1};
template<class T>bool chmax(T &a, const T &b) {if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T &a, const T &b) {if(b<a){a=b;return 1;}return 0;}

struct edge{
    int to,w;
    edge(){}
    edge(int to,int w):to(to),w(w){}
};

int n,m;
vector<edge> G[2010];
int d[2010],ans[2010];
set<P> se;

void bfs(){
    rep(i,n) d[i]=mod;
    queue<int> que;que.push(0);
    d[0]=0;
    while(!que.empty()){
        int s=que.front();que.pop();
        for(edge e:G[s]){
            if(chmin(d[e.to],d[s]+1)){
                que.push(e.to);
            }
        }
    }
}

int f(int x,int y){
    if(x<=y) return -1;
    else return 1;
}

void dfs(int s,int p){
    for(edge e:G[s]){
        if(d[e.to]==-mod) continue;
        if(d[e.to]>d[s]+f(e.w,p)){
            if((d[e.to]>0) && (d[s]+f(e.w,p)<=0)) ans[e.to]=p;
            chmin(d[e.to],d[s]+f(e.w,p));
            if(d[e.to]<=-n) d[e.to]=-mod;
            dfs(e.to,p);
        }
    }
}


void solve(){
    cin >> n >> m;
    rep(i,n) ans[i]=-1;
    rep(i,m){
        int u,v,w;cin >> u >> v >> w;u--;v--;
        G[u].push_back({v,w});
        se.insert({w,u});
    }
    bfs();
    for(P p:se){
        dfs(p.second,p.first);
    }
    Rep(i,1,n) cout << ans[i] << endl;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(50);
    solve();
}