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

#define int long long
#define vi vector<int>
#define vc vector<char>
#define vs vector<string>
#define vb vector<bool>
#define vpii vector<pair<int, int>>
#define vpic vector<pair<int, char>>
#define vpis vector<pair<int, string>>
#define vvi vector<vector<int>>
#define pb push_back
#define pii pair<int, int>
#define vvpii vector<vector<pair<int, int>>>
#define rep(i, s, e) for (int i = (s); i < (e); i++)
#define all(x) x.begin(), x.end()
#define fastio ios::sync_with_stdio(false); cin.tie(0);
#define MOD 1000000007
#define endl "\n"

signed main() {
    fastio;
    int n;
    cin >> n;
    vi v(n);
    rep(i, 0, n) cin >> v[i];
    int tar = v[0] + v.back();
    int i = 0, j = n - 1;
    bool isKirk = true;
    while(i <= j) {
        if(v[i++] + v[j--] != tar) {
            isKirk = false; break;
        }
    }
    if(isKirk) cout << "Yes" << endl;
    else cout << "No" << endl;
}