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):
        lis1 = []
        lis2 = []
        lis3 = []
        ind = set()
        for j in range(n):
            if((i >> j) & 2):
                lis1.append(a[j])
            else:
                if((i >> j) & 1):
                    lis2.append(a[j])
                else:
                    lis3.append(a[j])
                ind.add(j)
        if(sum(lis1) == elem):
            if(sum(lis2) == elem):
                print('Yes')
                exit(0)
    
    print('No')