def love(params)
  !params.index('LOVE').nil? ? 'YES' : 'NO'
end

def strs
  strs = []
  num = gets.split(' ').first.to_i

  # p "num = #{num}"

  num.times.each do
    strs << gets
  end

  # p ''
  # p strs.to_s
  # p ''

  strs.join(' ')
end

puts love(strs)