Insomnia cure.py

def chk_hit(do,d):
    i=0
	hit=0
	while d!=0:
		if d%do ==0 and dragon[d-1]==1 :
			hit+=1
			dragon[d-1]=0
		d-=1
	return hit

k = int(raw_input())
l = int(raw_input())
m = int(raw_input())
n = int(raw_input())
d = int(raw_input())
dragon = []
x =0
hit = 0
while x<d:
	dragon.append(1)
	x+=1
hit+=chk_hit(k,d)
hit+=chk_hit(l,d)
hit+=chk_hit(m,d)
hit+=chk_hit(n,d)
print hit