letters = sorted(list(set(i for i in '«ЕГЭ - ЭТО ЗЛО, БОТАЙТЕ ВСЕРОС»' if i.isalpha())))
idx = 0
for a1 in letters:
    for a2 in letters:
        for a3 in letters:
            for a4 in letters:
                for a5 in letters:
                    i = a1+a2+a3+a4+a5
                    idx += 1
                    if idx % 2 != 0 and i[:2] != 'ЕГЭ' and i.count('Е') <= 1 and i.count('Г') <= 1 and i.count('Э') <= 1:
                        index = idx
print(index)