import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

n, x, y = na()
r = na()
R = max(r)
sr = sum(r)
ans = 0
for i in range(n):   
    if (sr*2-r[i])**2 < x**2+y**2:
        continue
    elif (r[i]*3-sr*2) > 0 and (r[i]*3-sr*2)**2 > x**2+y**2:
        continue
    else:
        ans = 1
        break
if ans:
    Yes()
else:
    No()