function summa (A,B : integer): longint;
begin
    if B > 0 then begin
        A:=A+1;
        B:=B-1;
        summa(A,B);
    end;
end;
var
a,b : longint;
begin
    Readln(a);
    Readln(b);
    Writeln(summa(a,b));
end.