import math

class Point():
    def __init__(this, x, y):
        if (x != 0):
            this.theta = math.atan(y/x)
        elif (y > 0):
            this.theta = math.pi/2
        else:
            this.theta = -math.pi/2
        this.radius = math.sqrt(x*x + y*y)

    def getx(this):
        return this.radius * math.cos(this.theta)

    def gety(this):
        return this.radius * math.sin(this.theta)