program adunare;
var a,b,s:longint;
var f,g:text;
const t=2000000000;
begin
assign(f,'adunare.in');
reset(f);
read(f,a);
read(f,b);
s:=a+b;
assign(g,'adunare.out');
rewrite(g);
if s>t
then write(g,s);
close(f);
close(g);
end.