


"""simple docstring"""






def __lowercase     (      ):
				return 1


def __lowercase     (      lowerCamelCase_  :      int  ):
				return 0 if x < 0 else two_pence(x - 2  ) + one_pence()


def __lowercase     (      lowerCamelCase_  :      int  ):
				return 0 if x < 0 else five_pence(x - 5  ) + two_pence(lowerCamelCase_  )


def __lowercase     (      lowerCamelCase_  :      int  ):
				return 0 if x < 0 else ten_pence(x - 10  ) + five_pence(lowerCamelCase_  )


def __lowercase     (      lowerCamelCase_  :      int  ):
				return 0 if x < 0 else twenty_pence(x - 20  ) + ten_pence(lowerCamelCase_  )


def __lowercase     (      lowerCamelCase_  :      int  ):
				return 0 if x < 0 else fifty_pence(x - 50  ) + twenty_pence(lowerCamelCase_  )


def __lowercase     (      lowerCamelCase_  :      int  ):
				return 0 if x < 0 else one_pound(x - 100  ) + fifty_pence(lowerCamelCase_  )


def __lowercase     (      lowerCamelCase_  :      int  ):
				return 0 if x < 0 else two_pound(x - 200  ) + one_pound(lowerCamelCase_  )


def __lowercase     (      lowerCamelCase_  :      int = 200  ):
				return two_pound(lowerCamelCase_  )


if __name__ == "__main__":
	print(solution(int(input().strip())))




"""simple docstring"""






from math import pi


def __lowercase     (      lowerCamelCase_  :      int						,					lowerCamelCase_  :      int  ):
				return 2 * pi * radius * (angle / 360)


if __name__ == "__main__":
	print(arc_length(90, 10))
