stu,low,high = list(map(int,input('').strip().split()))

#排序标准
def sum(a):
	return -(int(a[1])+int(a[2])),-int(a[1]),int(a[0])

decai_info = []
de_info = []
quality_info = []
deshengcai_info = []
bad = 0

while stu:
	n = int(input('').strip().split())
	if n[1]<low or n[2]<low:
		bad += 1
		stu -= 1
	elif n[1]>=high and n[2]>= high:
		decai_info.append(n)
		stu -= 1
	elif n[1]>=high:
		de_info.append(n)
		stu -= 1
	elif n[1]>=n[2]:
		deshengcai_info.append(n)
		stu -= 1
	else:
		quality_info.append(n)
		stu -= 1

print(len(decai_info)+len(de_info)+len(quality_info))

for i in (decai_info,de_info,deshengcai_info,quality_info):
	i.sort(key = sum)
	for j in i:
		print(" ".join(j))