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


for i in range(3**N):
    s0=0
    s1=0
    s2=0
    for j in range(N):
        if i//3**j%3==0:
            s0+=E[j]
        if i//3**j%3==1:
            s1+=E[j]
        if i//3**j%3==2:
            s2+=E[j]
    #print(s0,s1,s2)
    if s0==s1==s2:
        print("Yes")
        exit()
print("No")