file = open("11.txt")
s = file.readlines()
count = 0
for i in s:
    for j in range(3, len(i)):
        if i[j - 3] == 'K' and i[j - 2] in "QWERTYUIOPASDFGHJKLZXCVBNM" and i[j - 1] == 'G' and i[j] == 'E':
            count += 1
            break
print(count)