def subtract(a,b):

	c=a-b

	return c


def summate(a,b):

	c=a+b

	return c


def sumKM(a,b):
	
	c=(a+b)/1000.

	return c


def minusX10(a,b):

	c = (a-b)*10

	return c


def divAdd5(a,b):

	c = (a/b)+5

	return c


if __name__ == "__main__":
	print("Run from import")