import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] sa = br.readLine().split(" ");
		int n = Integer.parseInt(sa[0]);
		long x = Integer.parseInt(sa[1]);
		long y = Integer.parseInt(sa[2]);
		sa = br.readLine().split(" ");
		int[] r = new int[n];
		for (int i = 0; i < n; i++) {
			r[i] = Integer.parseInt(sa[i]);
		}
		br.close();

		long z = x * x + y * y;
		long s = 0;
		int max = 0;
		for (int i = 0; i < n; i++) {
			s += r[i];
			max = Math.max(max, r[i]);
		}
		s *= 2;

		if (s > Integer.MAX_VALUE || s * s >= z) {
			s -= max * 2;
			long v = max - s;
			if (v <= 0 || v * v <= z) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} else {
			System.out.println("No");
		}
	}
}