#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; i++) cin >> a[i];
  for (int i = 0; i < n; i++) {
    if (a[i] / 2 + a[i + 2] == a[i + 1]) {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}
