STACK:1,3,5,7 length of a = 4
1,3,5,7,11,12,13 length of a = 7
1,3,5,7,11,12 length of a = 6
1,3,5,7,11 length of a = 5
1,3,5,7 length of a = 4
QUEUE:1,3,5,7 length of a = 4
1,3,5,7,11,12,13 length of a = 7
3,5,7,11,12,13 length of a = 6
5,7,11,12,13 length of a = 5
7,11,12,13 length of a = 4