output_description: For each process, prints its name and the time the process finished in order.
input_description: _n_ _q_  
  _name 1 time1_  
  _name 2 time2_  
  ...  
  _name n timen_  
  
  In the first line the number of processes _n_ and the quantum _q_ are given
  separated by a single space.
  
  In the following _n_ lines, names and times for the _n_ processes are given.
  _name i_ and _time i_ are separated by a single space.
attempt: a = input().split()
  a = [int(i) for i in a]
  b = []
  cnt = 0
  time = 0
  for i in range(a[0]):
      b.append(input().split())
      cnt += int(b[i][1])
  i = 0
  while cnt != time:
      if int(b[i][1]) <= a[1]:
          time += int(b[i][1])
          print(b[i][0], time)
          b.pop(0)
      else:
          b[i][1] = int(b[i][1]) - a[1]
          time += a[1]
          b.append(b.pop(i))
  
problem_description: Input
  
  _n_ _q_  
  _name 1 time1_  
  _name 2 time2_  
  ...  
  _name n timen_  
  
  In the first line the number of processes _n_ and the quantum _q_ are given
  separated by a single space.
  
  In the following _n_ lines, names and times for the _n_ processes are given.
  _name i_ and _time i_ are separated by a single space.
samples: [{"input": "5 100\n    p1 150\n    p2 80\n    p3 200\n    p4 350\n    p5 20", "output": "p2 180\n    p5 400\n    p1 450\n    p3 550\n    p4 800"}]