Sanalista

#Datatähti 2021 Alku
#A Sanalista

memory = 0
alphabet = 'aitneslokumvrjhypdgbfcwqxz'
for i in range(int(input())):
    count = 0
    string = input()
    length = len(string)
    for element in alphabet:
        if not count < length:
            memory += 1
            break
        else:
            a = string.count(element)
            count += a
            if a%2 == 1:
                break


print(memory)

        

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED