#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define ll long long
#define ull unsigned long long
#define ld long double
#define pll pair<ll, ll>
#define pii pair<int, int>
#define coutpair(p) cout << p.first << " " << p.second << "|"
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T> using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
ll n, m; cin >> n >> m;
ll x[n+5];
memset(x, 0, sizeof(x));
for (int i=0; i<m; i++){
ll a, b, c; cin >> a >> b >> c;
x[a] = max(x[a], c);
x[b] = max(x[b], c);
}
for (int i=1; i<=n; i++) cout << ((x[i] == 0) ? 1 : x[i]) << " ";
return 0;
}
