#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
const int inf = 1000000010;
const int MAXN = 300010;
struct edge {
  int u, v, c, t, res;
} E[MAXN];
int n, m, k, u, v, x, y, t, a, b, N;
int comp[MAXN * 2];
bool mark[MAXN * 2];
int del[MAXN * 2];
int del2[MAXN * 2];
unordered_map<int, int> deg[MAXN];
unordered_map<int, vector<int>> GRAPH[MAXN];
vector<int> GRAPH2[MAXN];
vector<int> G[2 * MAXN];
vector<int> GR[2 * MAXN];
vector<int> topol;
void add_edge(int x, int y) {
  G[x].push_back(y);
  GR[y].push_back(x);
}
void add(int x, int y) {
  add_edge(x ^ 1, y);
  add_edge(y ^ 1, x);
}
void add2(int x, int y) {
  add_edge(x ^ 1, y);
  add_edge(y ^ 1, x);
  del[x ^ 1]++;
  del[y ^ 1]++;
  del2[y]++;
  del2[x]++;
}
void dfs1(int node) {
  mark[node] = 1;
  for (int v : G[node])
    if (!mark[v]) dfs1(v);
  topol.push_back(node);
}
void dfs2(int node, int id) {
  comp[node] = id;
  for (int v : GR[node])
    if (!comp[v]) dfs2(v, id);
}
bool check(int T) {
  for (int i = 0; i < 2 * MAXN; i++) {
    while (del[i]) {
      G[i].pop_back();
      del[i]--;
    }
    while (del2[i]) {
      GR[i].pop_back();
      del2[i]--;
    }
  }
  for (int i = 1; i <= m; i++)
    if (E[i].t > T) add2(2 * i ^ 1, 2 * i ^ 1);
  memset(comp, 0, sizeof(comp));
  memset(mark, 0, sizeof(mark));
  topol.clear();
  for (int i = 2; i < 2 * MAXN; i++)
    if (!mark[i]) dfs1(i);
  reverse(topol.begin(), topol.end());
  int id = 1;
  for (int v : topol)
    if (!comp[v]) dfs2(v, id++);
  for (int i = 2; i < 2 * N + 2; i++)
    if (comp[i] == comp[i ^ 1]) return 0;
  for (int i = 1; i <= m; i++) E[i].res = (comp[2 * i] > comp[2 * i + 1]);
  return 1;
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin >> n >> m;
  for (int i = 1; i <= m; i++) {
    cin >> u >> v >> x >> y;
    E[i] = {u, v, x, y};
    deg[u][x]++;
    deg[v][x]++;
    GRAPH[u][x].push_back(i);
    GRAPH[v][x].push_back(i);
    GRAPH2[u].push_back(i);
    GRAPH2[v].push_back(i);
  }
  for (int i = 1; i <= n; i++)
    for (pair<int, int> p : deg[i])
      if (p.second > 2) return cout << "No" << '\n', 0;
  for (int i = 1; i <= n; i++)
    for (auto it : GRAPH[i])
      if (it.second.size() == 2) add(it.second[0] * 2, it.second[1] * 2);
  N = m;
  for (int i = 1; i <= n; i++)
    if (GRAPH2[i].size() >= 2) {
      k = GRAPH2[i].size();
      for (int j = 0; j < k; j++) {
        int a = GRAPH2[i][j];
        add(2 * a ^ 1, 2 * (++N));
        if (j) add(2 * (N - 1) ^ 1, 2 * N);
        if (j) add(2 * a ^ 1, 2 * (N - 1) ^ 1);
      }
    }
  int dwn = -1, up = inf;
  while (up - dwn > 1) {
    int mid = (dwn + up) / 2;
    if (check(mid))
      up = mid;
    else
      dwn = mid;
  }
  if (!check(up)) return cout << "No" << '\n', 0;
  vector<int> out;
  for (int i = 1; i <= m; i++)
    if (E[i].res) out.push_back(i);
  cout << "Yes\n" << up << ' ' << out.size() << '\n';
  for (int i : out) cout << i << ' ';
  cout << '\n';
  return 0;
}
