last_m = {}
this_m = {}

while s = gets
  break if s == "\n"
  data = s.split(",").map{|e|
    e.to_i
  }
  last_m[data[0]] = 0 unless last_m.key?(data[0])
  last_m[data[0]] += 1
end

while s = gets
  break if s == nil
  data = s.split(",").map{|e|
    e.to_i
  }
  this_m[data[0]] = 0 unless this_m.key?(data[0])
  this_m[data[0]] += 1
end

last_m.select{|k, v|
  this_m.member?(k)
}.sort_by{|k, v|
  k
}.each{|k, v|
  puts "#{k} #{v+this_m[k]}"
}