http://ati.ttu.ee/~hkinks/iag0582/praktikum5/
D4
There are two input files. The first one has the following structure:
	student name - string
	student code - string

The second one has the following structure:
	subject name - string
	student code - string
	mark - integer (0..5)

Your task is to combine the data from these two files using student code and write to screen and to a text file the following data:
	subject name - string
	student code - string
	student name - string
	mark - integer (0..5)