output_description: Print the sum of the integers between 1 and N (inclusive), whose sum of digits
  written in base 10 is between A and B (inclusive).
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      N A B
attempt: # Problem: https://atcoder.jp/contests/abc083/tasks/abc083_b
  # Python 2nd Try
  
  import sys
  
  # from collections import defaultdict
  # import heapq,copy
  # from collections import deque
  intm1 = lambda x: int(x) - 1
  intp1 = lambda x: int(x) + 1
  p2D = lambda x: print(*x, sep="\n")
  
  
  def II():
      return int(sys.stdin.readline())
  
  
  def MI():
      return map(int, sys.stdin.readline().split())
  
  
  def LI():
      return list(map(int, sys.stdin.readline().split()))
  
  
  def LLI(rows_number):
      return [LI() for _ in range(rows_number)]
  
  
  def digitSum(target):
      result = 0
      strTarget = str(target)
      for j in range(0, len(strTarget)):
          result = result + int(strTarget[j])
      return result
  
  
  def checker(target, fromNumber, toNumber):
      result = False
      x = digitSum(target)
      if fromNumber <= x:
          if x <= toNumber:
              result = True
      return result
  
  
  def solver(maxNumber, fromNumber, toNumber):
      result = 0
      for j in range(1, maxNumber + 1):
          if checker(j, fromNumber, toNumber):
              #            print("{} is check!".format(j))
              result = result + j
      # algorithm
      return result
  
  
  if __name__ == "__main__":
      N, A, B = MI()
      print("{}".format(solver(N, A, B)))
  
problem_description: Statement
  
  Find the sum of the integers between 1 and N (inclusive), whose sum of digits
  written in base 10 is between A and B (inclusive).
samples: [{"input": "20 2 5", "output": "84\n    \n\nAmong the integers not greater than 20, the ones whose sums of digits are\nbetween 2 and 5, are: 2,3,4,5,11,12,13,14 and 20. We should print the sum of\nthese, 84.\n\n* * *"}, {"input": "10 1 2", "output": "13\n    \n\n* * *"}, {"input": "100 4 16", "output": "4554"}]