s = gets.chomp
a = s.scan(/hamu*/)
str = []
a.size.times do |i|
  if a[i] == "hamu"
    str << 1
  elsif a[i] == "ham"
    str << 0
  end
end
ans = str.join.to_i(2)*2
answer = ans.to_s(2)
answer.each_char do |i|
  if i == "1"
    print "hamu"
  elsif i == "0"
    print "ham"
  end
end
puts