All pastes #838941 Raw Edit

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public python v1 · immutable
#838941 ·published 2007-12-30 19:31 UTC
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n=p=0for c in raw_input(): x=[1000,500,100,50,10,5,1]['MDCLXVI'.find(c)] if p<x:n-=p*2 p=x;n+=xprint n