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: bitlis=list(bit) ans0=0 ans1=0 ans2=0 for bi in bitlis: if bi==0: ans0+=bi elif bi==1: ans1+=bi else: ans2+=bi if ans0==(sum(e)/3) and ans1==(sum(e)/3): print("Yes") t=1 break if t==0: print("No")