Computer Programming Contest Preparation

    1 5
    2 0 1 2
    3 -60 1 3
    4     -60 1 4
    5     20 1 5
    6     0 0
    7     5
    8     0 1 2
    9     20 1 3
   10     -60 1 4
   11     -60 1 5
   12     0 0
   13     5
   14     0 1 2
   15     21 1 3
   16     -60 1 4
   17     -60 1 5
   18     0 0
   19     5
   20     0 1 2
   21     20 2 1 3
   22     -60 1 4
   23     -60 1 5
   24     0 0
   25     -1
   26