Program red; var a,b:integer; begin b:=0; readln(a); if a<10 then begin if a mod 2=0 then b:=1; end; if (a>=10) and (a<100) then begin if ((a div 10) mod 2=0) and (a div 10 <>0) then b:=b+1; if ((a mod 10) mod 2=0) and (a mod 10 <>0) then b:=b+1; end; if (a>=100) and (a<1000) then begin if ((a div 100) mod 2=0) and (a div 100 <>0) then b:=b+1; if (((a div 10) mod 10) mod 2=0) and ((a div 10) mod 10 <>0) then b:=b+1; if ((a mod 10) mod 2=0) and (a mod 10<>0) then b:=b+1; end; writeln(b); end.
var
a, b, i : integer;
begin
read (a, b);
for i := a to b do if i mod 2 = 0 then writeln (i);
end.