import math
n=int(input())
s=[]
for i in range(n):
x,y,z=map(float,input().split())
s.append([x,y,z])
x1,y1,z1=map(float,input().split())
x2,y2,z2=map(float,input().split())
x3=(x1+x2)/2
y3=(y1+y2)/2
z3=(z1+z2)/2
ss=[]
for i in s:
d=math.sqrt((x3-i[0])*(x3-i[0])+(y3-i[1...