equal_pairs

n = int(input())
pair1 = 0
pair2 = 0
max_diff = 0
for i in range(1, 2*n + 1):
    number = int(input())
    if i <= 2:
        pair1 += number
    else:
        pair2 += number
        if i % 2 == 0:
            max_diff = abs(pair1 - pair2)
            pair1 = pair2
            pair2 = 0
if max_diff == 0:
    print(f'Yes, value={pair1}')
else:
    print(f'No, maxdiff={max_diff}')