#include <bits/stdc++.h>
using namespace std;
signed solve();
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  cout.tie(nullptr);
  int tests = 1;
  while (tests--) solve();
  return 0;
}
signed solve() {
  int n, k;
  cin >> n >> k;
  if (n <= 1ll * k * (k - 1)) {
    cout << "YES\n";
    for (int i = 0; i < n; ++i) {
      cout << (i % k) + 1 << ' ' << (i / k + i % k + 1) % k + 1 << '\n';
    }
  } else {
    cout << "NO\n";
  }
  return 0;
}
