06. Odd Even Sum

# 06. Odd Even Sum

n = int(input())
even_sum = 0
odd_sum = 0

for position in range(1 , n+1):
    current_num = int(input())
    if position % 2 == 0:
        even_sum += current_num
    else:
        odd_sum += current_num


if even_sum == odd_sum:
    print(f"Yes")
    print(f"sum = {even_sum}")
else:
    diff = abs(even_sum - odd_sum)
    print(f"No")
    print(f"diff = {diff}")