n1 = int(input())
n2 = int(input())
n3 = int(input())
n4 = int(input())
n5 = int(input())

lista =[n1,n2,n3,n4,n5]

i = 0
pares = 0
while(i < len(lista)):
 if(lista[i] %2 == 0):
  pares = pares + 1

 i = i +1


print ("%d valores pares" %pares)