var a,i,k,p:integer; begin k:=3;p:=9; for i:=3 to 200 do begin if i mod 2=1 then k:=(2*k+p) mod 23 else p:=(2*p+k) mod 23; if k<0 then k:=23+k; if p<0 then p:=23+p; if (i mod 2=1) and (k mod 23=0) then write(i,' '); if (i mod 2=0) and (p mod 23=0) then write(i,' '); end; end.