N=int(input())
A=list(map(int,input().split()))

DP=[set() for i in range(1<<N)]

scale=10**9

for i in range(N):
    DP[1<<i].add(A[i]*scale)

# 3^NのDP（部分集合を列挙）

for i in range(1<<N):
    p=i
    
    while p!=0:
        p=(p-1) & i

        q=i^p

        for x in DP[p]:
            for y in DP[q]:
                DP[i].add(x+y)
                DP[i].add(x*y//scale)
                if x-y>=0:
                    DP[i].add(x-y)
                if y!=0:
                    DP[i].add(x*scale//y)

    if 0 in DP[i]:
        print("YES")
        exit()

if 0 in DP[-1]:
    print("YES")
else:
    print("NO")