n = int(input())
a = list(map(int, input().split()))
a = sorted(a)
flag = True

for i in range(2, n):
    if(a[i-2] + a[i-1] != a[i]):
        flag = False
if(a[n-1] - a[0] != a[1]):
    flag = False
if(a[n-1] - a[1] != a[0]):
    flag = False

if(flag):
    print("Yes")
else:
    print("No")