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Discussion of Problem 1877. Bicycle Codes

why test 21
Posted by vladimir 20 Sep 2015 23:30
var a,b  :integer;
begin
readln(a,b);
if a mod 2 = 0 then writeln('yes')
else if  b = 0 then writeln('no')
else if b div 2 mod 2 = 0 then writeln('yes')
else writeln('no');
end.