n = int(input()) a = 0 b = 0 #1-n 遍历一遍 for x in range(1,n+1) for x in range(1,n+1): #使用if语法判断x是奇数还是偶数，奇数+--》a, 偶数+--》b if x%2==1: a = a + x else: b = b + x print(a,b)