{
  "id": "t1_add_three",
  "title": "Three-argument addition",
  "description": "Write a complete AILang module named t1_add_three. It must export a top-level function add_three that takes three Int parameters and returns their sum. It must also export main : () -> () !IO that prints add_three(1, 2, 3) and then add_three(10, 20, 30), each on its own line.",
  "expected_stdout": "6\n60\n",
  "reference_solution": "t1_add_three.reference.ail.json"
}