#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
    ll N;
    cin >> N;
    vector<ll> A(N);
    ll sum = 0;
    for (int i = 0; i < N; i++)
    {
        cin >> A[i];
        sum += A[i];
    }
    sort(A.begin(), A.end());
    if (A[0] <= sum && sum <= A[N - 1])
    {
        cout << "Yes" << endl;
    }
    else
    {
        cout << "No" << endl;
    }
}