n,x,y = map(int,input().split())
r = list(map(int,input().split()))
r.sort()
rr = r[0]
for i in range(1,n):
    rr += r[i]*2
if n == 1:
    if x **2 + y ** 2 == rr**2:
        print("Yes")
    else:
        print("No")
elif x**2 + y ** 2 <= rr ** 2:
    print("Yes")
else:
    print("No")