20250906

# import sys
# sys.setrecursionlimit(9999999)
# def f(x) :
#     global a
#     if x==1 :
#         return 1
#     elif x==2 :
#         return 2
#     elif a[x]!=0 :
#         return a[x]
#     else :
#         a[x]=f(x-1)+f(x-2)
#     return a[x]
# n=int(input())
# a =[0]*30000
# print(f(n)%100000007)

# import sys
# sys.setrecursionlimit(9900000)
# def f(x) :
#     global a
#     if x%3!=0 :
#         return 0
#     elif x==3 :
#         return 2
#     elif a[x]!=0 :
#         return a[x]
#     else :
#         a[x]=f(x-3)*2
#     return a[x]
# n=int(input())
# a =[0]*30000
# print(f(n)%100000007)

# import sys
# sys.setrecursionlimit(9900000)
# def f(x) :
#     global a
#     if x==1 :
#         return 1
#     elif x==2 :
#         return 3
#     elif a[x]!=0 :
#         return a[x]
#     else :
#         a[x]=f(x-1)+f(x-2)*2
#     return a[x]
# n=int(input())
# a =[0]*30000
# print(f(n)%100007)

# import sys
# sys.setrecursionlimit(9900000)
# def f(x) :
#     global a
#     if x==1 :
#         return 1
#     elif x==2 :
#         return 5
#     elif x==3 :
#         return 11
#     elif a[x]!=0 :
#         return a[x]
#     else :
#         a[x]=f(x-1)*3+f(x-2)
#     return a[x]
# n=int(input())
# a =[0]*30000
# print(f(n)%100007)

# c or py 문법
#
# 1. 자료구조 (더 효율적)
# 2-1. + 알고리즘 -> 대회
#
# 2-2. python 라이브러리 ->pygame

'''
class           : 설계도, 틀
object(객체)      : 실체


'''


# 학생 100명의 ( 나이, 이름, 말하기기능 ) 관리

# class Person :
#     def __init__(self, a,b):         #생성자(초기값설정)
#         self.name = a
#         self.age = b
#     def speak(self):
#         print("저의 이름은 "+self.name+"이고, "+str(self.age)+"살 입니다")
#
# class Student(Person) :
#     def __init__(self, a, b, c):         #생성자(초기값설정)
#         super().__init__(a,b)
#         self.grade = c
#
# a = []
# for i in range(5) :
#     a.append(Person("입력받은이름",입력받은나이))
#
#
# a = Student("aa",50,8)
# a.speak()
#
# a = Person("민재",10)        #객체생성
# b = Person("재민",100)
#
# a.speak()
# b.speak()

class 수험번호 :
    def __init__(self, a,b,c):
        self.처리코드=a
        self.번호=b
        self.이름=c

    def __str__(self):
        return self.처리코드

class 삭제번호(수험번호) :
    def __init__(self, a,b,c):
        super().__init__(a,b,c)
a=[]
k=[]
n=int(input())
for i in range(n):
    c, n, name = input().split()
    if c=='I' :
        b=수험번호(c,n,name)
        a.append(b)
    if c=='D' :
        f=삭제번호(c,n,name)
        k.append(f)
print(a)
print(b)