import math
import sys
xc = float(input("x:"))
yc = float(input("y:"))
r = float(input("r:"))

while True:

    x = float(input("x= "))
    y = float(input("y= "))

    dist = math.sqrt((x-xc) * (x-xc) + (y-yc) * (y-yc) )

    if dist == r:
        print("Border")

    if dist < r:
        print("Inside")

    if dist > r:
        print("Outside")

    question = input("Do you want to continue: ")
    if question == "yes":
        continue
    if question == "OVER" or "over" or "no":
        sys.exit()