#wapp to read 2 int and exchange their values {without 3 variable}


n1=int(input("Enter the number 1 ")) #4
n2=int(input("Enter the number 2 ")) #6
n1=n1+n2	#  10=4+6
n2=n1-n2	#   4=10-6
n1=n1-n2	#   6=10-4
print("n1 is =",n1)
print("n2 is =",n2)
