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function p=finally(a,b)
b1=size(a,2);
if b1>1
if b1>=b
    b2=fix(b1/b);
    a1=1:b2;
    a2=a(b2*b:b1);
     a(b.*a1)=0;
     a=[a,a2];
  
else
    a=[a,a];
  
end
else
    p=b1;
end

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