题解 | #完全数计算#

while True:
try:
inp = int(input())
count = 0
for res in range(5,inp): # 从6开始有完美
sum = 0
for num in range(1,res): # 遍历整个范围；循环结束后计算
if res % num == 0:
sum += num
if res == sum:
count +=1
print(count)
except:
break