package main

import . "fmt"
import . "os"
import bf "bufio"

func main() {
	rd := bf.NewReader(Stdin)
	var n, x, y int
	Fscan(rd, &n, &x, &y)
	m := int(1e9)
	s := 0
	for i := 0; i < n; i++ {
		var r int
		Fscan(rd,&r)
		s += r*2
		m = min(m, r)
	}
	s -= m
	if n == 1 {
		if m*m == x*x+y*y {
			Println("Yes")
		} else {
			Println("No")
		}
	} else {
		
		if (x*x+y*y+s-1)/s <= s {
			Println("Yes")
		} else {
			Println("No")
		}
	}
}