N,X,Y=map(int,input().split())
R=list(map(int, input().split()))
sum = 0
for i in range(N):
    sum += R[i]
    if(i != 0):
        sum += R[i]
a = R[0]
if((a > sum-a and (a*2-sum)**2 > X*X+Y*Y) or (X*X+Y*Y > sum*sum)):
    print("No")
else:
    print("Yes")