program filip;
var xa,ya,xb,yb,c,d,e,f,g,h:real;
    a,za,b,zb:longint;
begin
 readln (a,b);
 c:=(a)/(10);
 d:=(b)/(10);
 if (a mod 10 = 0) and (b mod 10 = 0) and (a<100) and (b<100) then
  begin
  end
 else
 za:=a mod 10;
 g:=(a)/100;
 xa:=int(g);
 ya:=a-(xa*100)-za;
 e:=(za*100)+ya+(xa);

 zb:=b mod 10;
 h:=(b)/100;
 xb:=int(h);
 yb:=b-(xb*100)-zb;
 f:=(zb*100)+yb+(xb);
 if e>f then writeln (e:5:0);
 if f>e then writeln (f:5:0);
 if f=e then writeln (e:5:0);
 readln;
end.