#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef string str;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    ll n;
    cin >> n;
    ll a[n];
    for (ll i = 0; i < n; i++) cin >> a[i];
    ll p = n - 1;
    for (ll i = 0; i < n; i++)
    {
        if (a[i] + a[p--] == a[0] + a[n - 1]) continue;
        cout << "No\n";
        return 0;
    }
    cout << "Yes\n";
    return 0;
}