class Circle:
    def __init__(self, datalist):
        self.x = int(datalist[0])
        self.y = int(datalist[1])
        self.r = int(datalist[2])

    def getr(self):
        return self.r

    def postion(self):
        print("(" + str(self.x) + "," + str(self.y) + ")")

    def calculate(self):
        print(self.r**2 * 3.14)


def prepare(a: Circle, b: Circle):
    distance2 = (a.x - b.x) ** 2 + (a.y - b.y) ** 2
    if distance2 < (a.r + b.r) ** 2:
        print("相交")
    if distance2 == (a.r + b.r) ** 2:
        print("相切")
    if distance2 > (a.r + b.r) ** 2:
        print("相离")


try:
    a = Circle([1, 1, 1])
    a.calculate()
    b = Circle((input("请输入x,y,半径")).split())
    prepare(a, b)
except:
    print("需要三个数")