import itertools n=int(input()) e=list(map(int,input().split())) bitdp=list(itertools.product([0,1,2],repeat=n)) t=0 for bit in bitdp: ans0=0 ans1=0 ans2=0 bitlis=list(bit) for i in range(n): if bitlis[i]==0: ans0+=e[i] elif bitlis[i]==1: ans1+=e[i] else: ans2+=e[i] if ans0==ans1 and ans1==ans2 : print("Yes") t=1 break if t==0: print("No")