#include <bits/stdc++.h>
using namespace std;

int main() {
   ios::sync_with_stdio(false);
   cin.tie(nullptr);

   int n; cin >> n;
   vector<int> arr(n);

   for(auto &x: arr) cin >> x;

   int left = 0, right = n-1;
   bool is_krick = true;
   int target_sum = arr[left] + arr[right];

   while(left <= right) {
      if((arr[left] + arr[right]) != target_sum) {
         is_krick = false;
         break;
      }
      left++; 
      right--;
   }
   if (is_krick) cout << "Yes" << endl;
   else cout << "No" << endl;

   return 0;
}