#include <bits/stdc++.h>
using namespace std;
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  long long n, m;
  cin >> n >> m;
  vector<long long> v(n + 1, 0);
  vector<pair<long long, long long>> inc, dec;
  for (long long i = 0; i < m; i++) {
    long long t, l, r;
    cin >> t >> l >> r;
    if (t)
      inc.push_back({l, r});
    else
      dec.push_back({l, r});
  }
  sort(inc.begin(), inc.end());
  long long start = 2000001;
  for (auto it : inc) {
    for (long long i = it.first; i <= it.second; i++) {
      if (v[i])
        ;
      else {
        if (i == it.first) {
          v[i] = start;
        } else
          v[i] = v[i - 1] + 1;
      }
    }
    start -= 1000;
  }
  for (long long i = 1; i <= n; i++) {
    if (v[i] == 0) {
      if (i == 1)
        v[i] = 30000000;
      else
        v[i] = v[i - 1] - 1;
    }
  }
  cerr << v[1];
  bool ch = 1;
  for (auto it : dec) {
    if (it.second - it.first == 0) {
      ch = 0;
      break;
    }
    bool ok = 0;
    for (long long i = it.first + 1; i <= it.second; i++) {
      if (v[i] < v[i - 1]) ok = 1;
    }
    ch &= ok;
  }
  if (ch) {
    cout << "YES"
         << "\n";
    for (long long i = 1; i <= n; i++) cout << v[i] << " ";
  } else
    cout << "NO";
}
