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())
ans = sum(i**2 for i in range(1,N+1))
print(ans)
N = int(input())
ans = sum(i for i in range(1,N+1))
print(ans)