#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

static T[] Range<T>(int n, Func<T> F) => Enumerable.Range(0, n).Select(_ => F()).ToArray();

var n = I<int>();
var az = Range(n, I<int>);
var s = az[0] + az[^1];
bool Solve()
{
    for (var i = 0; i < n; i++)
    {
        if (az[i] + az[^(i + 1)] != s) return false;
    }
    return true;
}
Console.WriteLine(Solve() ? "Yes" : "No");