08. Equal Pairs / For-Loop PB-More Exercs.

couples = int(input())

sum2 = 0
sum3 = 0
sum4 = 0
sum5 = 0
counter = 0
counter_sum = 0
last_counter = 0

for numbers in range(couples):
     num1 = int(input())
     num2 = int(input())

     last_counter += 1
     counter += 1
     if counter <= 1:
         sum1 = num2 + num1
         counter_sum += 1
         if couples == last_counter:
             sum6 = sum3 - sum1
             sum6 = abs(sum6)
             if sum6 >= sum4:
                 sum4 = sum6


     if counter > 1:
         sum3 = num2 + num1
         sum5 = sum3 - sum1
         sum5 = abs(sum5)
         counter = 0
         if sum5 >= sum4:
             sum4 = sum5
         if sum3 == sum1:
             counter_sum += 1

if counter_sum != couples:
    print(f"No, maxdiff={abs(sum4)}")
else:
    print(f"Yes, value={sum1}")