n,x,y = map(int,input().split())
a = list(map(int,input().split()))

a.sort()

if(n==1):
    if((x**2+y**2)!=a[0]**2):
        print("Yes")
    else:
        print("No")
    exit()

if((x**2+y**2)<=(2*sum(a)-a[0])**2):
    print("Yes")
else:
    print("No")