Project from Data Structure and Algorithms II (2013.1)
The full specification in Portuguese can be found on the specification_project.pdf
Basic inputs:
1th line: i
2th line: key
3th line: string representing a name (max 20 characters)
4th line: integer representing an age (non-neg)
1th line: c
2th line: key to be found
1th line: r
2th line: key to be removed
1th line: p
1th line: f
1th line: e