# 1) namespace for normal variables

void update()
{
  a++;
  a = 7;
  a += 2;
}

a = 5;
update();

if (a != 5) exit(1);


# 2) namespace for array variables

void update()
{
  a[1]++;
  a[5] = 6;
  a[0] += 2;
}

a = mkarray(1,2,3);

if ((int) a != 3 || a[0] != 1 || a[1] != 2 || a[2] != 3) exit(2);


print("2 subtests ");
