from itertools import product, combinations, count
from timeit import repeat

# Генерируем все пары из двух списков
# for x in product([1,2], repeat=1):
#     print(x)
#
#
# from itertools import product
# print(*(list(product('ЛНРТ', repeat=5))[149]))
#
#
# from itertools import product
# print([''.join(p) for p in product('ЛНРТ', repeat=5)][149])

a=0
collec=sorted(list(''.join(i) for i in product('СДАЙЕГЭ', repeat=6)))
for i in range(len(collec)):
    # if 'ЕГЭ' in collec[i]:
    if collec[i].count('ЕГЭ'):
        a+=i+1
print(a)