N = gets.to_i
T = Hash.new(0)
N.times do
  n = gets.to_i
  m,s = gets.split.map(&:to_i)
  gets.split.each do |t|
    T[t] += s
  end
end
puts T.sort_by{|k,v| [-v,k] }.take(10).map{|k,v| "#{k} #{v}" }