subtasks:
  - score: 10
    type: min
    cases: [1, 2]
  - score: 40
    type: min
    cases: [3, 4, 5, 6, 7, 8, 9, 10]
  - score: 20
    type: min
    cases: [11, 12, 13, 14]
  - score: 30
    type: min
    cases: [15, 16, 17, 18, 19, 20]
  
inputFile: 'barland#.in'
outputFile: 'barland#.ans'