#int(input()) #map(int, input().split()) #list(map(int, input().split())) N = int(input()) A = list(map(int, input().split())) def base10int(value, base): if (int(value / base)): return base10int(int(value / base), base) + str(value % base) return str(value % base) ans = 0 for i in range(3 ** N): b = base10int(i, 3) b = format(b, ">0" + str(N)) p = [0] * 3 for j in range(N): p[int(b[j])] += A[j] if min(p) == max(p): ans = 1 break if ans == 1: print("Yes") else: print("No")