n = eval(input())
Course_list = input()
res = []
order = {}
#Course_list = [[1,0]]

ef7f81850f599be10132524a63137bd3a755eaaa
<mask token>

n = eval(input())
Course_list = input()
res = []
order = {}

n = eval(input())
Course_list = input()
res = []
order = {}
#Course_list = [[1,0]]
