# input for loop
j = 0
mylist = []
while j <= 10:
    lisinput = input()
    mylist.append(lisinput)
    j += 1
# validator
i = 1
while i <= 10:
    current = int(mylist[i])
    previous = int(mylist[i - 1])
    if current - previous != 1:
        print('Missing number is : ', current - 1)
        mylist.append(str(current - 1))
    i += 1
# convert String list to Integer
mylist2 = list(map(int, mylist))
# print sorted final result
print(sorted(mylist2))