题解 | #完全数计算#

#!/usr/sbin/python
# -*- coding: utf-8 -*-

while True:
    try:
        it_i = int(input())
        x = 1
        y = 0
        while x <= it_i:
            i_input = x
            i_list = []
            for i in range(1, int(i_input/2)+1):
                if i_input % i == 0:
                    i_list.append(i)
            result = 0
            for j in i_list:
                if j != i_input:
                    result += int(j)
            if i_input == result:
                y += 1
            x += 1
        print(y)
    except:
        break