





def 							__snake_case							(    )				->						int:
    return 1


def 							__snake_case							(    lowerCAmelCase_	)				->						int:
    return 0 if x < 0 else two_pence(x - 2	) + one_pence()


def 							__snake_case							(    lowerCAmelCase_	)				->						int:
    return 0 if x < 0 else five_pence(x - 5	) + two_pence(lowerCAmelCase_	)


def 							__snake_case							(    lowerCAmelCase_	)				->						int:
    return 0 if x < 0 else ten_pence(x - 1_0	) + five_pence(lowerCAmelCase_	)


def 							__snake_case							(    lowerCAmelCase_	)				->						int:
    return 0 if x < 0 else twenty_pence(x - 2_0	) + ten_pence(lowerCAmelCase_	)


def 							__snake_case							(    lowerCAmelCase_	)				->						int:
    return 0 if x < 0 else fifty_pence(x - 5_0	) + twenty_pence(lowerCAmelCase_	)


def 							__snake_case							(    lowerCAmelCase_	)				->						int:
    return 0 if x < 0 else one_pound(x - 1_0_0	) + fifty_pence(lowerCAmelCase_	)


def 							__snake_case							(    lowerCAmelCase_	)				->						int:
    return 0 if x < 0 else two_pound(x - 2_0_0	) + one_pound(lowerCAmelCase_	)


def 							__snake_case							(    lowerCAmelCase_ = 2_0_0	)				->						int:
    return two_pound(lowerCAmelCase_	)


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


from math import ceil, sqrt
def 							SCREAMING_SNAKE_CASE_	(					UpperCAmelCase_	:     int = 1_0_0_0_0_0_0				)			->						int:
       SCREAMING_SNAKE_CASE_							:				List[Any]		=0

       for outer_width in range(3			,							(limit // 4) + 2				):
              if outer_width**2 > limit:
                     SCREAMING_SNAKE_CASE_							:				List[str]		=max(ceil(sqrt(outer_width**2 - limit				)				)			,							1				)
              else:
                     SCREAMING_SNAKE_CASE_							:				List[str]		=1
              if (outer_width - hole_width_lower_bound) % 2:
                     hole_width_lower_bound += 1

              answer += (outer_width - hole_width_lower_bound - 2) // 2 + 1

       return answer


if __name__ == "__main__":
 print(F"{solution() = }")
