uses
  SysUtils;

var
  s, s1: string;

function pls(s, s1: string): string;
var
  i, len, c: integer;
  f: string;
begin
  if (length(s) > length(s1)) then len := length(s)
  else len := length(s1);
  c := 0;
  for i := length(s) to len do s := '0' + s;
  for i := length(s1) to len do s1 := '0' + s1;
  for i := len + 1 downto 1 do
  begin
    c := strtoint(s[i]) + strtoint(s1[i]) + c;
    f := inttostr(c mod 10) + f;
    c := c div 10;
  end;
  while (f[1] = '0') do delete(f, 1, 1);
  pls := f;
end;

begin
  readln(s);
  readln(s1);
  writeln(pls(s, s1));
end.