tsena, moneta1, moneta2 = input().split()
tsena = int(tsena)
moneta1 = int(moneta1)
moneta2 = int(moneta2)
sposobi = 0
kolvo1 = 0
kolvo2 = 0
coins = [moneta1, moneta2]

def countChange(money, coins):
  if money == 0:
    return 1
  elif money < 0 or len(coins) == 0:
    return 0
  else:
    return money, [coins[1]] + countChange(money - coins[0], coins)

print(countChange(tsena, coins))