#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

template<typename T, size_t U>
constexpr int lcm(array<T, U> a) {
  T res = 1;
  for (int i = 0; i < a.size(); ++i) {
    res = lcm(res, a[i]);
  }
  return res;
}

int main() {
  constexpr int LCM = lcm<int, 9>({ 1, 2, 3, 4, 5, 6, 7, 8, 9 });
  int n;
  cin >> n;
  vector<tuple<int, int, int>> res;
  rep(i, n) {
    int a, b;
    cin >> a >> b;
    res.push_back({ a, b, a * LCM / b });
  }
  sort(res.begin(), res.end(), [](auto a, auto b) {
    return get<2>(a) > get<2>(b);
  });
  for (auto [a, b, c] : res) {
    cout << a << " " << b << endl;
  }
  return 0;
}