#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int main() {
  int n, m;
  cin >> n >> m;

  if (m < n - 1 || m > 1LL * (n / 2) * ((n + 1) / 2)) {
    cout << "NO" << endl;
    return 0;
  }
  cout << "YES" << endl;

  for (int i = 0; i < n; i++) {
    if (i > 0) cout << ' ';
    cout << i + 1;
  }
  cout << endl;
  for (int j = 0; j < (n + 1) / 2; j++) {
    cout << 1 << ' ' << j + n / 2 + 1 << endl;
    m--;
  }
  for (int j = 1; j < n / 2; j++) {
    cout << n / 2 + 1 << ' ' << j + 1 << endl;
    m--;
  }
  for (int i = 1; i < n / 2; i++) {
    for (int j = 1; j < (n + 1) / 2 && m > 0; j++) {
      cout << i + 1 << ' ' << j + n / 2 + 1 << endl;
      m--;
    }
  }
}