#!/usr/bin/env python3
import sys

def main():
    N = int(input())
    A = list(map(int, input().split()))
    S = sum(A)
    if S % 3 != 0:
        print("No")
        return
    t = S // 3
    l = []
    for i in range(2 ** N):
        c1 = 0
        rest = []
        for b in range(N):
            if i >> b & 1:
                c1 += A[b]
                if c1 > t:
                    break
            else:
                rest.append(A[b])
        if c1 == t:
            for ii in range(2 ** len(rest)):
                c2 = 0
                for bb in range(N):
                    if ii >> bb & 1:
                        c2 += rest[bb]
                        if c2 > t:
                            break
                if c2 == t:
                    print("Yes")
                    return
    print("No")
            

if __name__ == '__main__':
    main()