days = int(raw_input())
kilos = []
preco_kg = []
for i in range(0, days, 1):
temp = raw_input()
a = temp.split()
kilos.append(int(a[0]))
preco_kg.append(int(a[1]))
print(kilos)
print(preco_kg)
ZGF5cyA9IGludChyYXdfaW5wdXQoKSkKa2lsb3MgPSBbXQpwcmVjb19rZyA9IFtdCgpmb3IgaSBpbiByYW5nZSgwLCBkYXlzLCAxKToKCXRlbXAgPSByYXdfaW5wdXQoKQoJYSA9IHRlbXAuc3BsaXQoKQoJa2lsb3MuYXBwZW5kKGludChhWzBdKSkKCXByZWNvX2tnLmFwcGVuZChpbnQoYVsxXSkpCgkKcHJpbnQoa2lsb3MpCnByaW50KHByZWNvX2tnKQ==