t = 10
while t :
t -= 1
x = int( raw_input( ) )
y = int( raw_input( ) )
z = ( x + y ) / 2
print z
z = x - z
print z
System Design for Beginners
A masterclass that helps early engineers and product managers become great at designing scalable systems.
180+ learners
Details →System Design Masterclass
A masterclass that helps you become great at designing scalable, fault-tolerant, and highly available systems.
1000+ learners
Details →Redis Internals
Learn internals of Redis by re-implementing some of the core features in Golang.
98+ learners
Details →