

'''simple docstring'''

def  lowercase   (	__magic_name__ = 1000				):



					'''simple docstring'''







					UpperCAmelCase						:				Union[str, Any]     =  2**power
					UpperCAmelCase						:				str     =  0
					while n:
										UpperCAmelCase   ,					UpperCAmelCase						:				int     =  r + n % 10, n // 10
					return r


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


'''simple docstring'''
import re






def      UpperCamelCase_				(      A__						):
	a_      				=						re.compile(r"""^(\+91[\-\s]?)?[0]?(91)?[789]\d{9}$"""						)
	if match := re.search(A__  ,      A__						):
		return match.string == phone
	return False


if __name__ == "__main__":
		print(indian_phone_validator('+918827897895'))
