#include <bits/stdc++.h>
using namespace std;
using i64 = int64_t;
using f64 = double_t;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n, k;
  cin >> n >> k;
  set<pair<int, int>> sp;
  auto add = [&](int x, int y) {
    cout << x << " " << y << "\n";
    sp.emplace(x, y);
  };
  for (int i = 1; i <= 2 * n; i += 1) {
    int x = (i - 1) / 2 + 1, y = i / 2 % n + 1;
    add(x, y);
  }
  for (int i = 1; i <= n; i += 1) {
    for (int j = 1; j <= n; j += 1) {
      if (sp.size() == k) { return 0; }
      if (not sp.contains({i, j})) { add(i, j); }
    }
  }
}