#!/usr/bin/env python

def read_input():
    with open('input.txt', 'r') as f:
        for line in f:
            yield line


def get_count(box):
    occ2 = 0
    occ3 = 0

    seen = dict()
    for c in set(box):
        if occ2 and occ3:
            break
        if box.count(c) == 2:
            occ2 = 1
        if box.count(c) == 3:
            occ3 = 1
    return (occ2,occ3)


res2 = 0
res3 = 0

for box in read_input():
    (tmp2, tmp3) = get_count(box)
    res2 += tmp2
    res3 += tmp3


print(res2*res3)