Each student takes four modules: RAD, SD1A, PS and IIS. The passing grade is 40% in every module.
The input data
grades10.txt contains one line per student.
The line begins with the matriculation number and the name.
The marks for each of the subjects are given in the sequence RAD, SD1a,
PS and IIS. Each of these fields is separated by the tab character.
RAD pass list
Print the names of the students who have passed the RAD module.
For each student print the name followed by the average grade over the four modules.
Semester pass list
Print the names of the students who have passed all four modules.
Print the names of the students who have a matriculation number that starts with 04.
Count SD1a fails
Print the number of students who have failed the module SD1a.