#!/usr/bin/python3.8
def main():
	x=None
	y=None
	try:
		x=input("dwse x:")
		y=input("dwse y:")
		z=eval(x)+eval(y)
		if x.insumeric():
			x=eval(x)
		if y.insumeric():
			y=eval(y)
		z=x+y
		print (z)
	except Exception as e:
		print("exception:",str(e))
	
	

if __name__=="__main__":
	main()