day = 0 MAX = 0 MID = [] ONE =input().split() TWO = input().split() THREE =input().split() FOUR = input().split() FIVE = input().split() SIX = input().split() SEVEN = input().split() count_1 = int(ONE[0]) + int(ONE[1]) count_2 = int(TWO[0]) + int(TWO[1]) count_3 = int(THREE[0]) + int(THREE[1]) count_4 = int(FOUR[0]) + int(FOUR[1]) count_5 = int(FIVE[0]) + int(FIVE[1]) count_6 = int(SIX[0]) + int(SIX[1]) count_7 = int(SEVEN[0]) + int(SEVEN[1]) hour = [count_1, count_2,count_3, count_4, count_5, count_6, count_7] for i in range(len(hour)): if(hour[i] <= 8): continue if(hour[i] > 8): MID.append(hour[i]) MAX = MID[0]
for k in range(len(MID)): if(MID[0] < MID[k]): MAX = MID[k] count = hour.index(MAX) day = count + 1 print(day)