#! /usr/bin/python
#
import	sys
import	string
#
def	min_max_get_proc	(min_max,pos):
	for it in range (3):
		if (pos[it] < min_max[it][0]):
			min_max[it][0] = pos[it]
		if (min_max[it][1] < pos[it]):
			min_max[it][1] = pos[it]
#
def	parser	(min_max):
	pos = [0.0,0.0,0.0]
	while   (1):
		line = sys.stdin.readline ()
		if  (line == ""):
			break
		cols = string.split (line)
		if (cols[0] == "endloop"):
			break
		if (cols[0] == "vertex"):
			pos[0] = string.atof (cols[1])
			pos[1] = string.atof (cols[2])
			pos[2] = string.atof (cols[3])
			min_max_get_proc	(min_max,pos)
#
#
min_max = [[10000.0,-10000.0],[10000.0,-10000.0],[10000.0,-10000.0]]
#
while   (1):
	line = sys.stdin.readline ()
	if  (line == ""):
		break
	cols = string.split (line)
	length = len (cols)
	if ((1 < length) and (cols[0] == "facet")):
		parser	(min_max)
#
print	"xmin,xmax\tymin,ymax\tzmin,zmax"
print	min_max
#