numbers1 = [1,2,3,4,5,6,7,8,9]
numbers2 = [10,12,13,14,16,17,18,19,21,22,23]

taken1 = []
taken2 = []

import random
import sys

while sys.stdin.readline():
    random.shuffle(numbers1)
    random.shuffle(numbers2)

    for n in numbers1:
        if not n in taken1[-3:]:
            print n
            taken1.append(n)
            break
    for n in numbers2:
        if not n in taken2[-3:]:
            print n
            taken2.append(n)
            break