const
  n=10;
var
  A:array[1..n] of 0..9;
  k,i,ten:integer;

begin
  for i:=1 to n do
      read(A[i]);
  k:=0;
  ten:=1;
  for i:=n downto 1 do
    begin
      k:=k+A[i]*ten;
      ten:=ten*10;
    end;
  writeln(k);
end.