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

if sum(E)%3 > 0:
    print("No")
    sys.exit()

for i in range(3**(N-1)-1):
    S = [0] * 3
    S[0] = E[-1]

    for j in range(N-1):
        S[i%3] += E[j]
        i //= 3
        
    if S[0] == S[1] == S[2]:
        print("Yes")
        sys.exit()

print("No")