#!/usr/bin/python3
def main():
	x=None
	y=None
	try:
		x=input("Δωσε το x:")
		y=input("Δωσε το y:")
		z=eval(x)+eval(y)
		print (f'x+y={z}')
	except Exception as e:
		print ("Exception 1 ",str(e))
		#exit (1) edw termatizoume sinithws 
	finaly:
		print ("go on")	
if __name__=="__main__":
	main()