int add (int a int b){
  int c = 0;
  c = (0 + a);
  return (a+(b+c));}

test{
  int x = 3;
  x = 4;
  const y = 5;
  int z = (x+y);
  if(x<0){
    bool x1 = true;
    x1 = false;
  }else{
    rat x2 = [4/3];
    int e = call add (num x2 y);
  }
}