program suma;

{$APPTYPE CONSOLE}
uses
  SysUtils;

var t,s1,s2,s3:string;
ost,a,i:integer;
begin
readln(s1);
readln(s2);
while length(s1)<>length(s2) do
if   length(s1)<length(s2)  then s1:='0'+s1 else s2:='0'+s2;

ost:=0;
for i:=length(s1) downto 1 do  begin
a:=(ord(s1[i])-ord('0')+ord(s2[i])-ord('0')+ost)mod 10;
ost:=(ord(s1[i])-ord('0')+ord(s2[i])-ord('0')+ost)div 10;
s3:=inttostr(a)+s3 ;
end;
if ost >0 then s3:=inttostr(ost)+s3 ;

writeln(s3);

readln;


  { TODO -oUser -cConsole Main : Insert code here }
end.