palindrom

def isPalidnrom(s):
    l = len(s)
    for i in range(l//2):
        if s[i] != s[-1-i]:
            return False
    return True

s = input('введите строку: ')
word = input('введите букву: ')
lst = s.split(',')

cnt = 0
for i in lst:
    if (i[0] == word):
        if (isPalidnrom(i)):
                cnt += 1
print(cnt)