Sanalista

#Datatähti 2021 Alku
#A Sanalista

a = 'aitneslokumvrjhypdgbfcwqxz'
m = 0
for i in range(int(input())):
    c = 0
    s = input()
    l = len(s)
    for e in a:
        if c >= l:
            m += 1
            break
        else:
            d = s.count(e)
            c += d
            if d%2 != 0:
                break


print(m)

        

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED