# Function for calculating the area
def area(r):
	
	# Formula for finding the area
	return (0.5)*(3.14)*(r *r)

# driver code
if __name__=='__main__':
	# Get the radius
	r = 10

	# Find the area
	print ("The Area of Semicircle: ",area(r),"sq units")

#Code by Shrinivas