print('entry'); var label; var state; var decisions = [4, 1, 4, 3, 4, 1, 2, 5, 1, 3, 5, 5, 1, 5, 2, 4, 4, 3]; var index = 0; function check() { if (index == decisions.length) throw 'HALT'; return decisions[index++] }
if (state == 1) {
 while(1) {
  print(1); state = check();
 }
}
while(1) {
 print(3); state = check();
 print(2); state = check();
}