#!/usr/bin/python3

import math

def gwnia(theta):
	return ( math.cos(theta) , math.sin(theta) ,math.tan(theta))


def main():
	t=float(input("gwnia: "))
	if (t<0 or t>math.pi/2):
		print("not in 0-p/2")
		exit(1)

	print(gwnia(t))

if __name__=="__main__":
	main()