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import string
import sys
class roman:
def __init__(self,y):
if y < 1:
raise ValueError
self.rlist = []
ms = y / 1000
tmp = y % 1000
if ms > 0:
self.rlist.append("M" * ms)
ds = tmp / 500
tmp = tmp % 500
if ds > 0:
self.rlist.append("D" * ds)
cs = tmp / 100
tmp = tmp % 100
if cs > 0:
self.rlist.append("C" * cs)
ls = tmp / 50
tmp = tmp % 50
if ls > 0:
self.rlist.append("L" * ls)
xs = tmp / 10
tmp = tmp % 10
if xs > 0:
self.rlist.append("X" * xs)
vs = tmp / 5
tmp = tmp % 5
if vs > 0:
self.rlist.append("V" * vs)
js = tmp
if js > 0:
self.rlist.append("I" * js)
def ryear(self):
s = ""
for i in self.rlist:
s = s + i
return s
if __name__ == "__main__":
if len(sys.argv) > 1:
yr = string.atoi(sys.argv[1])
else:
yr = 1999
x = roman(yr)
print x.ryear()
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