import ty01
x = input('what do you want: ')
y = int(input('fuck!!: '))
z = int(input('second number: '))
if x==('+'):
	print(y+z)
elif x ==('-'):
	print(y-z)
elif x ==('*'):
	print(y*z)
elif x ==('/'):
	print(y/z)
else:
	print('wrong!')
