S=gets.chomp

S.gsub!(/hamu/, '1')
S.gsub!(/ham/, '0')


def to10(str)
  r = 0
  for i in 0..(str.length-1)
    r += (2 ** (str.length-1-i)) * str[i].to_i
  end
  return r
end

to10(S) * 2

def to2(num)
  if num == 0
    return "0"
  end
  s = ""
  while num > 0
    if num % 2 == 1
      s += "1"
    else
      s += "0"
    end
    num = num >> 1
  end
  return s.reverse
end

k = to2(to10(S) * 2)

k.gsub!(/1/, 'hamu')
k.gsub!(/0/, 'ham')

puts k