#!/usr/bin/env python3
import sys

def main():
    def base10int(base10value, toBase):
        ans = []
        p = base10value
        while p >= toBase:
            p, q = divmod(p, toBase)
            ans.append(str(q))
        ans.append(str(p))
        return "".join(ans[::-1])
    N = int(input())
    A = list(map(int, input().split()))
    for i in range(3 ** N):
        classes = [0] * 3
        ss = base10int(i, 3)
        for b in range(N):
            if b >= len(ss) or ss[b] == "0":
                classes[0] += A[b]
            elif ss[b] == "1":
                classes[1] += A[b]
            else:
                classes[2] += A[b]
        # print(classes[0], classes[1], classes[2])
        if classes[0] == classes[1] == classes[2]:
            print("Yes")
            return
    print("No")
            

if __name__ == '__main__':
    main()