" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b ={2,4,6,8,10,12,14}
S={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}