N=int(input())
suma=0
for i in range(N):
x = int(input())
if x % 2 == 0:
suma = suma+1
print(suma)
Tj1pbnQoaW5wdXQoKSkKc3VtYT0wCgpmb3IgaSBpbiByYW5nZShOKToKICAgIHggPSBpbnQoaW5wdXQoKSkKICAgIGlmIHggJSAyID09IDA6CiAgICAgICAgc3VtYSA9IHN1bWErMQoKcHJpbnQoc3VtYSk=