input-

/*
__ 9;
__ 4.5;
__ (9).4.5."!";
__ true . 1 . null . false;

__ 5*3 + 6 -4;

__ "hello" . "!";

__ 5+5;
__ "hello" + true;
__ "hello " + null;

__ 5+5.3;
*/
__ 5 - (3*9);
//__ (5-3)*9;
//age=8;





__ 5 - (1+5*1);