
#program for swapping 2 numbers using bitwise operator
a,b=map(int,input().split())
a=a^b
b=a^b
a=a^b
print(a,b)

4b72d7d7729450754f58fd341ac2c16730602a0f
<mask token>

<mask token>
print(a, b)

a, b = map(int, input().split())
a = a ^ b
b = a ^ b
a = a ^ b
print(a, b)


#program for swapping 2 numbers using bitwise operator
a,b=map(int,input().split())
a=a^b
b=a^b
a=a^b
print(a,b)
