문제 풀이 https://www.acmicpc.net/problem/1380
wave = 1
while True:
scenario = []
n = int(input())
if n == 0:
break
for i in range(n):
scenario.append([input()])
for i in range(n*2-1):
temp = input()
num = temp.split()
if len(num) == 1:
n = int(num[0])
break
scenario[int(num[0])-1].append(num[1])
for j in scenario:
if len(j) == 2:
print(wave, j[0])
wave += 1