name:
svu
location: 
ravru
student data:
      student name=xxx  number=12
     semester number=1 subjects=7 rank=2
       student name=xxx  number=15
    semester number=1 subjects=7 rank=10
    semester number=2 subjects=4 rank=1
 student name=xxx  number=16
    semester number=1 subjects=7 rank=2
    semester number=2 subjects=4 rank=2