## https://atcoder.jp/contests/abc349/tasks/abc349_e


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

    for bit in range(3 ** N):

        p = [0, 0 ,0]
        for i in range(N):
            b = bit % 3
            p[b] += E[i]
            bit //= 3

        if p[0] == p[1] and p[1] == p[2]:
            print("Yes")
            return
        
    print("No")


    

if __name__ == "__main__":
    main()