Fixed error in ueb2 t4
Merge branch 'master' of github.com:Ryugoron/university
Merge branch 'master' of github.com:Ryugoron/university
Merge branch 'master' of github.com:Ryugoron/university
Merge branch 'master' of github.com:Ryugoron/university
Merge branch 'master' of github.com:Ryugoron/university
Merge branch 'master' of github.com:Ryugoron/university
Merge branch 'master' of github.com:Ryugoron/university
Started with stoche ueb6. t4 done, but there seems to be a mistake somewhere.