Add:
For param1 = 1 and param2 = 2, the output should be add(param1, param2) = 3.
[output] integer-The sum of the two inputs.
Century:
Given a year, return the century it is in. The first century spans from the year 1 up to and including the year 100, the second - from the year 101 up to and including the year 200, etc.
[output] integer - The number of the century the year is in.
Palindrome:
Given the string, check if it is a palindrome.
[output] boolean - true if inputString is a palindrome, false otherwise.