a = int(input("First Number: "))
b = int(input("Second Number: "))
e_f = list()
test = int(0)
c=int(0)

i= list(range(a,b+1))
j= list(range(1,b+1))

for number in i:

    for item in j:

        if number%item == 0:
            e_f.append(item)
    e_f.remove(number)
    #print(e_f)
    for factor in e_f:
        test = test+factor

    e_f.clear()
    if (test==number):
        print (number, " is perfect ")
        c=c+1

    test = 0
print("Count: ",c)