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

for mask1 in range(1 << N):
    for mask2 in range(1 << N):
        t1, t2, t3 = 0, 0, 0
        for i in range(N):
            if (mask1 >> i) & 1:
                if (mask2 >> i) & 1: t1 += E[i]
                else : t2 += E[i]
            else : t3 += E[i]
        
        if t1 == t2 and t2 == t3 : exit(print("Yes"))

print("No")