program vava;

var
  s, is1: string;
  a, b, i, j, n, s1, err, f: integer;

begin
  s1 := 0;
  readln(s);
  while (Pos('*', s) <> 0) or (Pos('/', s) <> 0) do
  begin
    i := 1;
    j := 1;
    f := 1;
   // z := 0;
    n := (Pos('*', s));
    if (n = 0) or (n > Pos('/', s)) and (Pos('/', s) <> 0)
    then
    begin
      n := (Pos('/', s));
      f := 0;
    end;


    while ((n - i) <> 1) and (s[n - i] in ['0'..'9'])  do
      i := i + 1;

    if ((n - i) <> 1) then i := i - 1;

    if (n-i=2) then //Проверка является ли первым символом минус
      i := i + 1;

    if (n-i>2) and (s[n-i-1] = '-') and not (s[n-i-2] in ['0'..'9']) then
       inc(i);

    if (s[n+1]='-') then
    begin

      inc(j);

    end;

    while ((n + j) <> length(s)) and (s[n + j] in ['0'..'9'])  do
      j := j + 1;


    if ((n + j) <> length(s)) then j := j - 1;

    Val(copy(s, n - i, i), a, err);
    Val(copy(s, n + 1, j), b, err);
    if(f = 1) then s1 := a * b else s1 := a div b;
    delete(s, n - i, i + 1 + j);
    str(s1, is1);
    insert(is1, s, n - i);
  end;







  while (Pos('+', s) <> 0) or (Pos('-', s,2) <> 0) do
  begin
    i := 1;
    j := 1;
    f := 1;
    n := (Pos('+', s));
    if (n = 0) or (n > Pos('-', s,2)) and (Pos('-', s,2) <> 0)
   then
    begin
      n := (Pos('-', s,2));
      f := 0;
    end;


    while ((n - i) <> 1) and (s[n - i] in ['0'..'9'])  do
      i := i + 1;
     if ((n - i) <> 1) then i := i - 1;

     if (n-i=2) then dec(i);

    if ((n-i)>2) and (s[n-i-1]='-') and not (s[n-i-2] in ['0'..'9']) then
      dec(i);

    if (s[n+1]='-') then
    begin

      inc(j);

    end;

    while ((n + j) <> length(s)) and (s[n + j] in ['0'..'9'])  do
      j := j + 1;


    if ((n + j) <> length(s)) then j := j - 1;

    Val(copy(s, n - i, i), a, err);
    Val(copy(s, n + 1, j), b, err);
    if(f = 1) then s1 := a + b else s1 := a - b;
    delete(s, n - i, i + 1 + j);
    str(s1, is1);
    insert(is1, s, n - i);
   // if ((s[1] = '-') and (Pos('+', s, 2) = 0) and (Pos('-', s , 2) = 0)) then break;
  end;

  writeln(s);
end.