n = int(input()) e = list(map(int, input().split())) total_e = sum(e) exist = False for in_A in range(1 << n): p_A = 0 for j in range(n): if in_A >> j & 1: p_A += e[j] ex_A = (1 << n) - 1 - in_A for in_B in range(1 << n): in_B &= ex_A p_B = 0 for j in range(n): if in_B >> j & 1: p_B += e[j] p_C = total_e - p_A - p_B if p_A == p_B and p_B == p_C: exist = True break if exist: break print("Yes" if exist else "No")