package main

import . "fmt"

// 解説読んだ

func main() {
	var n,a,b,x,y int
	Scan(&n,&a,&b,&x,&y)
	r := y*b
	hs := make([]int, n)
	for i := range hs {
		Scan(&hs[i])
		r -= hs[i]
	}
	if r >= 0 {
		Println("Yes")
		return
	}
	if a*x + r < 0 {
		Println("No")
		return
	}
	for ; r < 0 && a > 0; a-- {
		p := 0
		for i, h := range hs {
			if h > hs[p] {
				p = i
			}
		}
		r += min(hs[p], x)
		hs[p] = max(0, hs[p]-x)
	}
	if r >= 0 {
		Println("Yes")
	} else {
		Println("No")
	}
}