class RomanNumeral(int):
    def __str__(self):
        n = self
        if n < 1:
            raise ValueError("roman numeral for zero or negative undefined: " + n)
        roman = ''
        while n >= 1000:
            n = n - 1000
            roman = roman + 'M'
        while n >= 500:
            n = n - 500
            roman = roman + 'D'
        while n >= 100:
            n = n - 100
            roman = roman + 'C'
        while n >= 50:
            n = n - 50
            roman = roman + 'L'
        while n >= 10:
            n = n - 10
            roman = roman + 'X'
        while n >= 5:
            n = n - 5
            roman = roman + 'V'
        while n < 5 and n >= 1:
            n = n - 1
            roman = roman + 'I'
        roman = roman.replace('DCCCC', 'CM')
        roman = roman.replace('CCCC', 'CD')
        roman = roman.replace('LXXXX', 'XC')
        roman = roman.replace('XXXX', 'XL')
        roman = roman.replace('VIIII', 'IX')
        roman = roman.replace('IIII', 'IV')
        return roman

import intrinsics
old_int = intrinsics.replace(int, RomanNumeral)

def main():
    for i in range(1, 12):
        print i,
    print

if __name__ == '__main__':
    main()
    import os
    os._exit(0)