Var i,j,k: integer; <span> a: set of integer; </span><span>begin </span><span> i:=3; a:=[]; </span><span> repeat </span><span> k:=0; </span><span> for j:=2 to trunc(sqrt(i))+1 do </span><span> if (i mod j)=0 then </span><span> begin </span><span> k:=1; </span><span> break; </span><span> end; </span><span> if k=0 then a:=a+[i]; </span><span> i:=i+4; </span><span> until i>256; </span><span> writeln(a); </span><span>end.