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.
There will be two lines containing two numbers, and .
and are non-negative integers and can have maximum digits.
Output two lines. The first line should contain , and the second line should contain . Don't print any leading zeros.