In this problem, you have to add and multiply huge numbers! These numbers are so big that you can't contain them in any ordinary data types like a long integer.
Use the power of Java's BigInteger class and solve this problem.
Input Format
There will be two lines containing two numbers aa and bb
Constraints:
Aa and bb are non-negative integers and can have maximum 200200 digits.
Output Format
Output two lines.The first line should contain a+ba+b , and the second line should contain abab .Don't print any leading zeros.
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