There are N children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give 1 candy to the first child in the line, 2 candies to the second child, ..., N candies to the N-th child. How many candies will be necessary in total?
n=int(input())
a=0
for i in range(1,n+1):
    a+=i**2
print(a)
n=int(input())
a=0
for i in range(1,n+1):
    a+=i
print(a)