#!/usr/bin/env python
# -*- coding: utf-8 -*-


import collections


def count_id(input_str):
    rep_two = 0
    rep_three = 0

    results = collections.Counter(input_str).most_common(5)
    for idx, val in enumerate(results):
        value = val[1]
        if value == 2:
            rep_two = 1
        if value == 3:
            rep_three = 1

    return rep_two, rep_three


if __name__ == '__main__':
    two = 0
    three = 0
    with open("input.txt") as fp:
        line = fp.readline()
        while line:
            (a, b) = count_id(line)
            two += a
            three += b
            line = fp.readline()

    print(two * three)