#include <iostream>
 
using namespace std;
 
int main()
{
    int N, m01 = 1001, m02 = 1001, m10 = 1001, m11 = 1001, num, res, R;
    cin >> N;
    for (; N >=1; --N)
    {
        cin >> num;
        if (num < m01 || num < m02 && num%2==0)
        {
            if (num < m01)
                m01 = num;
            else
                if (num < m02)
                    m02 = num;
        }
        else
            if (num < m11 || num < m10)
            {
                if (num < m10)
                    m10 = num;
                else
                    if (num < m11)
                        m11 = num;
            }
    }
    cin >> res;
    if (m01+m02>m11+m10)
        R = m11+m10;
    else
        R = m01+m02;
 
    cout << "Result: " << R << endl;
    if (R == res)
        cout << "YES";
    else
        cout << "NO";
 
    return 0;
}