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#9772: da an


lsyyw2002 (袁祎炜)

a861. 1. Secure the Perimeter -- HP CodeWars 2010 | From: [114.91.149.36] | 發表日期: 2015-04-09 21:07
var
a,b:longint;
begin
while not eof do begin
readln(a,b);
writeln(a*2+b*2);
end;
end.

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