pass = gets.split("")

numeral = pass.count("l") + pass.count("o")
mark = pass.count("a") + pass.count("s")
except = numeral+mark==8 ? 1 : 0

if numeral == 0 || mark == 0 then
    puts 0
else
    puts (2**numeral-1)*(2**mark-1)-except
end