def int_to_roman(num):
    _values = [
        1000000, 900000, 500000, 400000, 100000, 90000, 50000, 40000, 10000, 9000, 5000, 4000, 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]

    _strings = [
        'M', 'C', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"]

    result = ""
    decimal = num

    while decimal > 0:
        for algarism in range(len(_values)):
            if decimal >= _values[algarism]:
                if _values[algarism] > 1000:
                    result += u'\u0304'.join(list(_strings[algarism])) + u'\u0304'
                else:
                    result += _strings[algarism]
                decimal -= _values[algarism]
                break
    return result

print(int_to_roman(2000017))