var s:string;
i,count:integer;
begin
write('s -> ');
readln(s);
count:=0;
for i:=length(s) downto 1 do
write(s[i]);
readln;
end.
var s:string;
i,count:integer;
begin
write('s -> ');
readln(s);
count:=0;
for i:=length(s) downto 1 do
write(s[i]);
readln;
end.