#!/usr/bin/python3

def main():
	x=None
	y=None

	try:
		x=input("x:")
		y=input("y:")
		z=eval(x)+eval(y)
		print (f'x+y={z}')
	except Exception as e:
		print("Exception 1 mi knimka" , str(e))
	#	exit (1)
	finally:
		print("go")

if __name__=="__main__":
	main()