program filip;
var a,b:integer;
begin
     readln(a,b);
     a:=100*(a mod 10)+(a mod 100)-(a mod 10)+(a div 100);
     b:=100*(b mod 10)+(b mod 100)-(b mod 10)+(b div 100);
     if a>b then writeln(a) else writeln(b);
     readln;
end.