#!/usr/bin/env python3
'''
'''

import os, sys
import random

def far(a, b):
    return (a[0]-b[0])**2+(a[1]-b[1])**2+(a[2]-b[2])**2

with open(os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])),"google-10000-english.txt")) as f:
   words = [w for w in f.read().split() if 2<len(w)<8]
if len(sys.argv)>2:
    words = random.sample(words, int(sys.argv[2]))

N = 10 if len(sys.argv)<=1 else int(sys.argv[1])
m,M = -1000,1000

Dists = set()
Galaxies = set()
while len(Galaxies)<N:
    x0,y0,z0 = (random.random()*(M-m)+m for i in range(3))
    NDists=set()
    for x1, y1, z1 in Galaxies:
        dist =  far((x0,y0,z0),(x1, y1, z1))
        if dist in Dists:
            print("OOPS",x0,y0,z0)
            break
        NDists.add(dist)
    else:
        Dists |= NDists
        Galaxies.add((x0, y0, z0))
        print("{:5.3f} {:5.3f} {:5.3f} {}".format(x0, y0, z0, random.choice(words)))
print(".")