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

state = [[]]

for _ in range(N):
	state_nxt = []
		
	for s in state:
		for i in range(3):
			t = s[:]
			t.append(i)
			state_nxt.append(t)

	state = state_nxt[:]

for s in state:
	p = [0, 0, 0]
	
	for i in range(N):
		p[s[i]] += E[i]
	
	if p[0] == p[1] == p[2]:
		print("Yes")
		exit()

print("No")