* This code solves the problem Filling Jars from Hackerrank
 * The problem is at: https://www.hackerrank.com/challenges/filling-jars
 * This code solves the problem ACM ICPC TEAM from hackerrank
 * https://www.hackerrank.com/challenges/acm-icpc-team
Example of Aggregation Has-A relationship and also use of this keyword