var
a, b: integer;
begin
write('a-> ');
readln(a);
write('b-> ');
readln(b);
while a <= b do
begin
if (a > 0) and (a mod 2 = 0) then
writeln(a);
inc(a);
end;
readln;
end.
var
a, b: integer;
begin
write('a-> ');
readln(a);
write('b-> ');
readln(b);
while a <= b do
begin
if (a > 0) and (a mod 2 = 0) then
writeln(a);
inc(a);
end;
readln;
end.