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




void solve() {

    int n ;cin>>n;
    map<int,int>mp;
    vector<int>arr(n);

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


    for(int i = 0; i < n ; i++){

        mp[arr[i] + arr[n-i-1]]++;
    }

    if(mp.size() == 1) cout<<"Yes";
    else cout<<"No";


}

signed main() {

    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
        cout<<endl;
    }
    return 0;
}