mas=[]
for i in range(1000):
a=int(input())
if a==0:
break
else:
mas.append(a)
s=0
for i in range(len(mas)):
if mas[i] > 9 and mas[i] < 100 and mas[i]%8==0:
s+=1
print(s)
школа 1747
mas=[]
for i in range(1000):
a=int(input())
if a==0:
break
else:
mas.append(a)
s=0
for i in range(len(mas)):
if mas[i] > 9 and mas[i] < 100 and mas[i]%8==0:
s+=1
print(s)