#skip
// expected output
#expect 2
#expect 2
#expect 4

// ships required in order to run this code
#ship debug        : Debug

debug.in:
  literal 1;
  [z] literal 2;
  deliver;
  clog;
  load loop counter with 2;
  [z] literal 3;
  deliver;
  load loop counter with 0;
  [z] literal 4;
  deliver;
  unclog;