






def 					_lowerCamelCase(			lowerCAmelCase__				:		float    ,    lowerCAmelCase__				:		float    ,    lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				if principal <= 0:
								raise Exception('Principal borrowed must be > 0'      )
				if rate_per_annum < 0:
								raise Exception('Rate of interest must be >= 0'      )
				if years_to_repay <= 0 or not isinstance(lowerCAmelCase__    ,    lowerCAmelCase__      ):
								raise Exception('Years to repay must be an integer > 0'      )

				# Yearly rate is divided by 12 to get monthly rate
				SCREAMING_SNAKE_CASE_   :	int													=   rate_per_annum / 12

				# Years to repay is multiplied by 12 to get number of payments as payment is monthly
				SCREAMING_SNAKE_CASE_   :	Optional[int]													=   years_to_repay * 12

				return (
				    principal
				    * rate_per_month
				    * (1 + rate_per_month) ** number_of_payments
				    / ((1 + rate_per_month) ** number_of_payments - 1)
				)


if __name__ == "__main__":
				import doctest

				doctest.testmod()







def 					_lowerCamelCase(			):





				'''simple docstring'''







				return 1



def 					_lowerCamelCase(			lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				return 0 if x < 0 else two_pence(x - 2      ) + one_pence()



def 					_lowerCamelCase(			lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				return 0 if x < 0 else five_pence(x - 5      ) + two_pence(lowerCAmelCase__      )



def 					_lowerCamelCase(			lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				return 0 if x < 0 else ten_pence(x - 10      ) + five_pence(lowerCAmelCase__      )



def 					_lowerCamelCase(			lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				return 0 if x < 0 else twenty_pence(x - 20      ) + ten_pence(lowerCAmelCase__      )



def 					_lowerCamelCase(			lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				return 0 if x < 0 else fifty_pence(x - 50      ) + twenty_pence(lowerCAmelCase__      )



def 					_lowerCamelCase(			lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				return 0 if x < 0 else one_pound(x - 100      ) + fifty_pence(lowerCAmelCase__      )



def 					_lowerCamelCase(			lowerCAmelCase__				:		int      ):





				'''simple docstring'''







				return 0 if x < 0 else two_pound(x - 200      ) + one_pound(lowerCAmelCase__      )



def 					_lowerCamelCase(			lowerCAmelCase__				:		int = 200      ):





				'''simple docstring'''







				return two_pound(lowerCAmelCase__      )


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