В одной известной парагвайской компании

# -*- coding: utf-8 -*-
 
n = int(input("n = "))
emails = [input() for _ in range(n)]
 
m = int(input("m = "))
names = [input for _ in range(m)]
 
for name in names:
    index = ""
    while True:
        email = "%s%s@untitled.py" % (name, index)
        if email not in emails:
            emails.append(email)
            print(email)
            break
        index = index + 1 if index else 1

list_mail = [input() for _ in range(int(input()))]
for _ in range(int(input())):
    number = 1
    name = input()
    mail = f'{name}@untitled.py'
    while mail in list_mail: 
        mail = f'{name}{number}@untitled.py'
        number += 1
    print(mail)

list_mail = [input() for _ in range(int(input()))]
number = 1
for _ in range(int(input())):
    name = input()
    mail = f'{name}@untitled.py'
    while mail in list_mail:
        mail = f'{name}{number}@untitled.py'
        number += 1
    list_mail.append(mail)
    print(mail)

uzed_post_names = [input() for i in range(int(input()))]
new_names = [input() for i in range(int(input()))]
new_post_names = []
for i in range(len(new_names)):
    counter = 0
    for j in range(len(uzed_post_names)):
        if new_names[i] in uzed_post_names[j]:
            counter += 1
    if counter == 0:
        new_post_names.append(new_names[i] + '@untitled.py')
    else:
        new_post_names.append(new_names[i] + str(counter) + '@untitled.py')
    uzed_post_names.append(new_post_names[-1])
print(*new_post_names, sep='\n')

n = int(input())
emails = [input() for _ in range(n)]
 
m = int(input())
names = [input() for _ in range(m)]
 
for name in names:
    index = ""
    while True:
        email = f"{name}{index}@untitled.py"
        if email not in emails:
            emails.append(email)
            print(email)
            break
        index = index + 1 if index else 1