#Input is ...
#FILENAME,I,LEARNER,TIME,SUBSET,ESTIMATE,ACTUAL,MRE

BEGIN {
	FS=OFS=","
	Pred=30
}

{
	# need a count to divide by
	#if ($3="LC") {LC++};
	
	LC=1;
	
	if ($NF<=Pred) {
		#Key=$1","$3
		Key=$3
		#print Key
		Counts[Key]++;
	}
}

END {
	learnerCount=0;
	for(key in Counts)
	{
	  learnerCount++;	
	}
	print learnerCount;
	print NR;
	
	for(key in Counts)
	{
		print key, Counts[key];	
	}	
}