# # # # No.1941 CHECKER×CHECKER(1)
# # # S=[input() for _ in range(3)]
# # # ichimatu=["#.#",".#.","#.#"]
# # # ichima2=[".#.","#.#",".#."]
# # # if S==ichimatu or S==ichima2:
# # #     print("Yes")
# # # else:
# # #     print("No")

# # # No.1942 Leading zero
# # N=int(input())
# # for _ in range (N):
# #     print(int(input()))

# # No.1943 消えたAGCT(1)
# AGCT=set(["A","G","C","T"])
# n=int(input())
# s=list(input())
# ans=0
# for i in range (n):
#     if s[i] in AGCT:
#         ans=i+1

# print(ans)

# No.1944 ∞
n,x,y=map(int,input().split())
R=list(map(int,input().split()))
RR=list(map(lambda x:x*x ,R))
RR.sort()
RR1=[RR[0]]
RR2R=RR[1:]
RR2R=list(map(lambda x:x*2,RR2R))
RR2R.extend(RR1)
# print(RR2R)
if n==1:
    if x*x+y*y==R[0]*R[0]:
        print("Yes")
    else:
        print("No")
    exit()

if sum(RR2R)*sum(RR2R)>=x*x+y*y:
    print("Yes")
else:
    print("No")