#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i, n) cin >> a[i];
  set<int> st;
  rep(i, n) st.insert(a[i] + a[n - 1 - i]);
  cout << (st.size() == 1 ? "Yes" : "No") << '\n';
  return 0;
}