#!/usr/bin/python

import sys

def getListFromFile(f):
	list = []
	for line in f:
		line = line.strip()
		list += [line]
	return list

l = getListFromFile(sys.stdin)
l = [ float(x) for x in l ]
# mean and standard deviation
ls = len(l)
print "05th", l[int(ls*0.05)]
print "25th", l[int(ls*0.25)]
print "50th", l[int(ls*0.50)]
print "75th", l[int(ls*0.75)]
print "95th", l[int(ls*0.95)]