N,X,Y = map(int,input().split())

R = list(map(int,input().split()))

R.sort()
import sys
if N == 1:
    if R[0] * R[0] == X *X + Y * Y:
        print('Yes')
    else:
        print('No')
    exit()
t = sum(R) * 2 - R[0]
if t * t >= X * X + Y * Y:
    print('Yes')
else:
    print('No')