Odd / Even sum

n = int(input())
sum_odd = 0
sum_even = 0

for i in range(n):
  number = int(input())
  if i % 2 == 0:
    sum_even += number
  else:
    sum_odd += number

if sum_even == sum_odd:
  print(f"Yes\nSum = {sum_even}")
else:
  print(f"No\nDiff = {abs(sum_even - sum_odd)}")