палиндром

var
    num, a, c, n: integer;
begin
    readln(num);
    if num div 100 = num mod 10 then writeln('YES')
    else
    begin
    a := num div 100;
    c := num mod 10;
    n := num + (a - c);
    if a > c then
    writeln(n)
    else
    begin
        n := (num + 10) - (c - a);
        writeln(n)
    end;
    end;
end.