from lib import *

data = open(0).read()

part_1 = True
if part_1:
    res = 0
    for line in data.splitlines():
        vc = 0
        for c in line:
            if c in "aoeui":
                vc += 1
        if vc < 3:
            continue

        prev = None
        for c in line:
            if c == prev:
                break
            prev = c
        else:
            continue

        contains = False
        ss = ["ab", "cd", "pq", "xy"]
        for s in ss:
            if s in line:
                contains = True

        if contains:
            continue
        res += 1
    print(res)
else:
    res = 0
    for line in data.splitlines():
        pairs = {}
        for i in range(0, len(line) - 1):
            p = line[i:i+2]
            if p in pairs and i > pairs[p] + 1:
                break
            if not p in pairs:
                pairs[p] = i
        else:
            continue

        for i in range(0, len(line) - 2):
            if line[i] == line[i + 2]:
                break
        else:
            continue
        res += 1
    print(res)