n = int(input())
max_score = max2_score = 0
max_name = max2_name = ''
count = 0
count2 = 0
for i in range(n):
    last_name, first_name, school, score = input().split()
    name = last_name + ' ' + first_name
    school, score = int(school), int(score)
    if school == 50:
        if score > max_score:
            max2_score = max_score
            max2_name = max_name
            count2 = count
            max_score = score
            max_name = name
            count = 1
        elif score == max_score:
            max2_name = name
            max2_score = score
            count += 1
        elif score > max2_score:
            max2_score = score
            max2_name = name
            count2 = 1
        elif score == max2_score:
            count2 += 1
if count > 2:
    print(count)
elif count == 2 or count == 1 and count2 == 1:
    print(max_name)
    print(max2_name)
else:
    print(max_name)