#include <iostream>

using namespace std;

int main()
{
	int N, m01 = 1002, m02 = 1003, m11 = 1002, m12 = 1003, num, res, R;
	cin >> N;
	for (; N >=1; --N)
	{
		cin >> num;
		if (num < m01 || num < m02 && num%2==0)
		{
			if (m02 > m01 && m02>num)
				m02 = num;
			else
				if (m01 > m02 && m01>num)
					m01 = num;
		}
		else
			if (num < m11 || num < m12)
			{
				if (m12 > m11 && m12>num)
					m12 = num;
				else
					if (m11 > m02 && m11>num)
						m11 = num;
			}
	}
	cin >> res;
	if (m01+m02>m11+m12)
		R = m11+m12;
	else
		R = m01+m02;

	cout << "Result: " << R << endl;
	if (R == res)
		cout << "YES";
	else
		cout << "NO";
	system("pause>void");
	return 0;
}