text: #!/usr/bin/python
  
  
  import sys
  
  count1 = 0
  count2 = 0
  count3 = 0
  
  
  for line in sys.stdin:
  	data_mapped = line.strip()
      	if not data_mapped :
          	continue
  	year = data_mapped.split("/")
  	if year[2][:4] == "2009": 
  		count1 = count1+1
  	if year[2][:4] == "2010": 
  		count2 = count2+1
  	if year[2][:4] == "2011": 
  		count3 = count3+1
  		
  
  	
  print "2009", "\t", count1
  print "2010", "\t", count2
  print "2011", "\t", count3
  