var
a,b,i:integer;
begin
readln(a,b);
if a<=b then
for i:=a to b do
write(i:4)
else
for i:=b to a do
end.
var
a,b,i:integer;
begin
readln(a,b);
if a<=b then
for i:=a to b do
write(i:4)
else
for i:=b to a do
write(i:4)
end.