n,x,y=list(map(int,input().split()))
r=list(map(int,input().split()))
sum=0
for i in r:
    sum+=i*2
sum-=r[0]
if (sum**2)>=(x**2)+(y**2):
    if sum-r[0]*2>=0 or (sum-r[0]*2)**2<=(x**2)+(y**2):
       print("Yes")
    else:
        print ("No")
else:
    print("No")