func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = (int)1e6 + 100;   const long long inf = (1ll << 60);   const int mod2 = (int)998244353;   const int mod = (int)1e9 + 7;   int n, m;   vector<long long> b;   vector<long long> c;   void add(long long x) {     for (int i = 0; i < b.size(); i++) {       if (c[i] & x) {         x ^= b[i];       }     }     if (x > 0) {       long long y = 1;       while (!(x & y)) y *= 2;       for (int i = 0; i < b.size(); i++) {         if (b[i] & y) {           b[i] ^= x;         }       }       b.push_back(x);       c.push_back(y);     }   }   long long d[maxn];   int u[maxn];   vector<pair<long long, long long> > g[maxn];   vector<int> ord;   void dfs(int v) {     u[v] = 1;     ord.push_back(v);     for (auto to : g[v]) {       if (u[to.first] == 0) {         d[to.first] = d[v] ^ to.second;         dfs(to.first);       } else if (u[to.first] == 1) {         add(d[v] ^ d[to.first] ^ to.second);       }     }     u[v] = 2;   }   void solve() {     cin >> n >> m;     for (int i = 0; i < m; i++) {       long long x, y, z;       cin >> x >> y >> z;       g[x].push_back({y, z});       g[y].push_back({x, z});     }     long long ans = 0;     for (int i = 1; i <= n; i++) {       if (u[i]) continue;       b.clear();       c.clear();       ord.clear();       dfs(i);       long long sz = ord.size();       long long C = sz * (sz - 1) / 2;       C %= mod;       for (int j = 1; j < b.size(); j++) C = (C * 2) % mod;       for (int j = 0; j <= 60; j++) {         int ok = 0;         long long cur = (1ll << j);         for (long long x : b) {           if (x & cur) {             ok = 1;           }         }         if (ok) {           ans = (ans + cur % mod * C % mod) % mod;         } else {           long long cnt = 0;           for (int v : ord) {             if (d[v] & cur) {               cnt++;             }           }           long long cur_ans = cnt * (sz - cnt) % mod;           cur_ans = (cur % mod * cur_ans) % mod;           for (int j = 0; j < b.size(); j++) {             cur_ans = (cur_ans * 2) % mod;           }           ans += cur_ans;           ans %= mod;         }       }     }     cout << ans <<   n ;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     int t = 1;     for (int i = 1; i <= t; i++) {       solve();     }     return 0;   }   