def func(i):
    return int(i[3])


a = open("input.txt", "r", encoding='utf-8')
b = open("output.txt", "w", encoding='utf-8')

data = []
for x in a.readlines():
    data.append(x.split())
data.sort(key=func, reverse=True)

count = 0
mx1 = int(data[0][3])
mx2 = 10 ** 9
fn = ''
ln = ''

for x in data:
    score = int(x[3])
    if score < mx1 and mx2 == -1:
        count += 1
        fn = x[0]
        ln = x[1]
        mx2 = score
    elif score == mx2:
        count += 1

if count > 1:
    print(count, file=b, end='')
elif count == 1:
    print(fn, ln, file=b, end='')