n = int(input())
a = list(map(int,input().split()))
if(sum(a) % 3 != 0):
    print('No')
else:
    elem = sum(a) // 3
    for i in range(3**n):
        cnt = 0
        lis1 = []
        lis2 = []
        lis3 = []
        while(cnt < n):
            if(i % 3 == 0):
                lis1.append(a[cnt])
            elif(i % 3 == 1):
                lis2.append(a[cnt])
            else:
                lis3.append(a[cnt])
            cnt += 1
            i //= 3

        if(sum(lis1) == elem):
            if(sum(lis2) == elem):
                print('Yes')
                exit(0)
    
    print('No')