#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
int main(){
ios_base::sync_with_stdio(false);cin.tie(0);
ll N,M;
cin>>N>>M;
vector<pair<ll,ll> > v[N];
vector<pair<pair<ll,ll>,ll> > A;
for(ll i = 0;i < M;i++){
ll a,b,c;
cin>>a>>b>>c;
a -= 1;
b -= 1;
v[a].push_back(make_pair(b,c));
v[b].push_back(make_pair(a,c));
A.push_back(make_pair(make_pair(a,b),c));
}
ll arr[N];
for(ll i = 0;i < N;i++){
arr[i] = 1;
}
for(ll i = 0;i < N;i++){
ll maximum = -1;
for(auto u : v[i]){
if(maximum == -1 || u.second > maximum){
maximum = u.second;
}
}
if(maximum != -1){
arr[i] = maximum;
}
}
for(ll i = 0;i < M;i++){
if(arr[A[i].first.first] <= A[i].second){
arr[A[i].first.first] = A[i].second;
}else if(arr[A[i].first.second] <= A[i].second){
arr[A[i].first.second] = A[i].second;
}
}
for(ll i = 0;i < N;i++){
cout<<arr[i]<<" ";
}
cout<<'\n';
}
