Jumlah maksimum tamu di kapal pesiar dengan contoh TCS
#Maximum number of guests on cruise at an instance tcs
N = int(input())
tg = 0
Total= []
for i in range(N):
en = int(input())
le = int(input())
dif = en-le
tg = tg + dif
Total.append(tg)
print(max(Total))
vip_codes