Zip OBI

# obi 2017
# nivel 1 f3
# by deukaus / Matheus Santos
# https://olimpiada.ic.unicamp.br/pratique/p1/2017/f3/zip/

#inputs

l1 = int(input())
l2 = int(input())
c1 = int(input())
c2 = int(input())

# variaveis das pontuacoes

pl = 0
pc = 0

# adicionar pontuacao da lia

if l1 == l2:
    pl += (l1 + l2) * 2
elif ((l1 + 1) == l2) or ((l2 + 1) == l1) or ((l1 - 1) == l2) or ((l2 - 1) == l1):
    pl += (l1 + l2) * 3
else:
    pl += (l1 + l2)

# adicionar pontuacao da carolina

if c1 == c2:
    pc += (c1 + c2) * 2
elif ((c1 + 1) == c2) or ((c2 + 1) == c1) or ((c1 - 1) == c2) or ((c2 - 1) == c1):
    pc += (c1 + c2) * 3
else:
    pc += (c1 + c2)

# vencedores

if pl == pc:
    print('empate')
elif pl > pc:
    print('lia')
else:
    print('carolina')