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<CENTER><FONT color=blue size=+2>Undercut</FONT></CENTER>
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<CENTER><FONT color=green>Time limit:</FONT> 1 Seconds <FONT
color=green>Memory limit: </FONT>32768K </FONT><BR><FONT
color=green>Total Submit:</FONT> 9183 <FONT color=green>Accepted
Submit:</FONT> 2142 </CENTER>
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Undercut is a card game where two players each have five cards numbered one
through five. At each round, each player selects a card, then simultaneously
reveals it. If the cards are of equal value, there is no score. Otherwise, there
are two cases: the two cards are exactly one point apart (this is called an
undercut), or the cards are more than one point apart. In the latter case, the
person revealing the larger of the cards gets the number of points on the larger
card. In the case of an undercut the player with the lower card gets the sum of
the two cards. The exception to this is when the cards are 1 and 2, in which
case the player with the lower card gets 6 points (instead of only 3 points).
After each round, the cards are returned to the hands and they play another
round.
<P>For example, if there are 5 rounds and player A plays (in this order) 5, 3,
1, 3, 5 and player B plays 3, 3, 3, 3, 4, then the scoring for each round would
be: A gets 5 points, no points, B gets 3 points, no points, B gets 9 points. The
totals would be A: 5, B: 12.</P>
<P>In this problem you will be given card plays for both players and must
determine the final scores.<BR><BR></P>
<P><B>Input</B></P>
<P>There will be multiple input instances. Each instance will be one game. The
first line of input for a game will be an integer n <= 20. (A value of n = 0
terminates input.) The next two lines will each contain n integers between 1 and
5 inclusive indicating the cards played on each of n rounds. The first line are
player A's card plays and the second line are player B's card plays.<BR><BR></P>
<P><B>Output</B></P>
<P>Each input instance should generate one line of output of the form:</P>
<P>A has a points. B has b points.</P>
<P>where the value of a and b are for you to determine. A blank line should
separate output lines.<BR><BR></P>
<P><B>Sample Input</B></P>
<P>5<BR>5 3 1 3 5<BR>3 3 3 3 4<BR>4<BR>2 3 1 1<BR>1 5 5 5<BR>0<BR><BR></P>
<P><B>Sample Output</B></P>
<P>A has 5 points. B has 12 points.</P>
<P>A has 0 points. B has 21 points.</P>
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<FONT color=green size=+1>Problem Source: </FONT><I>East Central North America
2001, Practice</I>
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