var
  s1,s2 : string;
  a1,a2,a3 : longint;
begin
  readln(s1);
  readln(a2,a3);
  a1:=length(s1);
  delete(s1,a2,a3);
  delete(s1,a1-a2-a3+2,a3);
  writeln(s1);
end.