#include<bits/stdc++.h>
using namespace std;
#define ll long long

struct Node {
    int next, color, idx;
    bool operator<(const Node a) const {
        if(this->color == a.color) return this->idx < a.idx;
        return this->color > a.color;
    }
};

int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);
    int N, M; cin >> N >> M;
    vector<vector<Node>> conn(N);
    vector<tuple<int, int, int>> v;
    for(int i=0;i<M;i++) {
        int a, b, c; cin >> a >> b >> c;
        if(a>b) swap(a, b);
        v.push_back({a-1, b-1, c}); // {a, b, color}
        conn[a-1].push_back({b-1, c, i});
        conn[b-1].push_back({a-1, c, i});
    }
    for(int i=0;i<N;i++) sort(conn[i].begin(), conn[i].end());

    int res[M] = {0, };
    int cur=1;
    for(int i=0;i<M;i++) {
        if(!res[i]) {
            if(get<2>(v[i])==0) {
                vector<int> next;
                next.push_back(conn[get<0>(v[i])][0].idx);
                next.push_back(conn[get<1>(v[i])][0].idx);
                sort(next.begin(), next.end());
                for(int nn:next) if(!res[nn]) res[nn]=cur++;
            }
            res[i]=cur++;
        }
    }
    for(int i=0;i<M;i++) cout << res[i] << ' ';
}