n=int(input())
arr=[]
count=0
for x in range(n):
temp=list(map(int,input().split("/")))
arr.append(temp)
if temp[1] in [1,3,5,7,8,10,12]:
count+=1
if count!=0:
print(count)
else:
for x in arr:
if x[2]%2==0:
count+=1
print(count)
Python
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