//#define NDEBUG
#pragma warning(disable : 4146)

#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <iomanip>
#include <ios>
#include <iostream>
#include <utility>
#include <vector>

namespace n91 {

using i32 = std::int32_t;
using i64 = std::int64_t;
using u32 = std::uint32_t;
using u64 = std::uint64_t;
using isize = std::ptrdiff_t;
using usize = std::size_t;
using f64 = double;

struct rep {
  struct itr {
    usize i;
    constexpr itr(const usize i) noexcept : i(i) {}
    void operator++() noexcept { ++i; }
    constexpr usize operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
  };
  const itr f, l;
  constexpr rep(const usize f, const usize l) noexcept
      : f(std::min(f, l)), l(l) {}
  constexpr auto begin() const noexcept { return f; }
  constexpr auto end() const noexcept { return l; }
};
struct revrep {
  struct itr {
    usize i;
    constexpr itr(const usize i) noexcept : i(i) {}
    void operator++() noexcept { --i; }
    constexpr usize operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr x) const noexcept { return i != x.i; }
  };
  const itr f, l;
  constexpr revrep(const usize f, const usize l) noexcept
      : f(l - 1), l(std::min(f, l) - 1) {}
  constexpr auto begin() const noexcept { return f; }
  constexpr auto end() const noexcept { return l; }
};
template <class T> auto md_vec(const usize n, const T &value) {
  return std::vector<T>(n, value);
}
template <class... Args> auto md_vec(const usize n, Args... args) {
  return std::vector<decltype(md_vec(args...))>(n, md_vec(args...));
}
template <class T> constexpr T difference(const T &a, const T &b) noexcept {
  return a < b ? b - a : a - b;
}
template <class T> void chmin(T &a, const T &b) noexcept {
  if (b < a)
    a = b;
}
template <class T> void chmax(T &a, const T &b) noexcept {
  if (a < b)
    a = b;
}
template <class F> class rec_lambda {
  F f;

public:
  rec_lambda(F &&f_) : f(std::forward<F>(f_)) {}
  template <class... Args> auto operator()(Args &&... args) const {
    return f(*this, std::forward<Args>(args)...);
  }
};
template <class T> T scan() {
  T ret;
  std::cin >> ret;
  return ret;
}
constexpr char eoln = '\n';

i64 floor_div(const i64 n, const i64 d) {
  assert(d != 0);
  return n / d - static_cast<i64>((n ^ d) < 0 && n % d != 0);
}

i64 ceil_div(const i64 n, const i64 d) {
  assert(d != 0);
  return n / d + static_cast<i64>((n ^ d) >= 0 && n % d != 0);
}

#ifdef N91_LOCAL
#define OJ_LOCAL(a, b) b
#else
#define OJ_LOCAL(a, b) a
#endif

} // namespace n91

#include <atcoder/segtree>

namespace n91 {

struct S {
  i64 xy, x, y, c;

  i64 get(const i64 a, const i64 b) const {
    return xy * a * b + x * a + y * b + c;
  }
};

S op(S a, S b) { return {a.xy + b.xy, a.x + b.x, a.y + b.y, a.c + b.c}; }
S e() { return {0, 0, 0, 0}; }

void main_() {
  const usize n = scan<usize>();
  std::vector<std::pair<i64, i64>> ps(n);
  for (auto &[x, y] : ps) {
    std::cin >> x >> y;
  }

  static constexpr usize MAX = OJ_LOCAL(1000000, 100);

  atcoder::segtree<S, op, e> seg(MAX + 1);

  for (const auto &[x, y] : ps) {
    S s = seg.get(x);
    s.xy += 1;
    s.x -= y;
    s.y -= x;
    s.c += x * y;
    seg.set(x, s);
  }

  i64 ans = 1e18;
  std::sort(ps.begin(), ps.end(),
            [](const auto &a, const auto &b) { return a.second < b.second; });
  for (const auto &p : ps) {
    const i64 x = p.first;
    const i64 y = p.second;
    {
      const S all = seg.all_prod();
      const i64 all_d = all.xy * y + all.x;
      const usize i = seg.max_right(0, [&](const S s) {
        const i64 d = s.xy * y + s.x;
        return all_d - 2 * d <= 0;
      });
      const S s = seg.prod(0, i);
      const i64 f = all.get(i, y) - 2 * s.get(i, y);
      chmin(ans, f);
    }
    {
      S s = seg.get(x);
      s.xy -= 2;
      s.x += 2 * y;
      s.y += 2 * x;
      s.c -= 2 * x * y;
      seg.set(x, s);
    }
  }

  std::cout << ans << eoln;
}

} // namespace n91

int main() {
  //*
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  //*/
  std::cout << std::fixed << std::setprecision(20);
  n91::main_();
  return 0;
}