def checkio(data):
	roman_dict = {"I": 1, "V": 5, "X": 10, "L": 50, "C": 100, "D": 500, "M": 1000}
	# SET VARIABLES
	result = ""
	key_value = len(roman_dict)-1 # LAST INDEX from
	R_KEY = sorted(roman_dict.keys(), key = lambda x:  roman_dict[x]) # Sorted keys from roman_dict

	def dig_to_roman(data, result, key_value):
		#print("key : ", key_value)
		if data >= roman_dict[R_KEY[key_value]]: # STARTS FROM "M"  - > "D" -> ... "I"

			minus = roman_dict[R_KEY[key_value]]
			#print(data, R_KEY[key_value], minus//5)
			if int(str(data)[0]) == 9:
				result += R_KEY[key_value-1]
				result += R_KEY[key_value+1]
				minus = (minus//5) * 9
			elif int(str(data)[0]) == 4:
				result += R_KEY[key_value]
				result += R_KEY[key_value+1]
				minus = (minus) * 4

			elif int(str(data)[0]) == 3:
				result += R_KEY[key_value]*3
				minus = (minus *3 )
			elif data == 0:
				return result
			else:
				result += R_KEY[key_value]

			return dig_to_roman(data-minus, result, key_value)

		elif data != 0 : # TRY ANOTHER ROMAN NUMBER
			return dig_to_roman(data, result, key_value-1)

		else:
			return result



	return dig_to_roman(data, "", key_value)