k=0
for i in range(1000):
a=int(input())
if a==0:
break
if a%5==0 or a%9==0:
k+=1
print(k)
школа 1747
k=0
for i in range(1000):
a=int(input())
if a==0:
break
if a%5==0 or a%9==0:
k+=1
print(k)