import sys
input = sys.stdin.readline

from heapq import heappop,heappush

N=int(input())
A=list(map(int,input().split()))


P=[]
M=[]

for a in A:
    if a>0:
        P.append(a)
    else:
        M.append(-a)

P.sort()
M.sort()
while P and M:
    x=heappop(P)
    y=heappop(M)

    k=x-y

    if k>0:
        heappush(P,k)
    elif k<0:
        heappush(M,-k)
        
if len(P)+len(M)<=1:
    print("Yes")
else:
    print("No")