import subprocess
import sys
from pathlib import Path

cases = [{'input': '10 10 5 20\n', 'output': '5'}, {'input': '2 2 0 4\n', 'output': '-1'}, {'input': '2 2 2 1\n', 'output': '-1'}, {'input': '98 98 97 100\n', 'output': '1'}, {'input': '1 5 2 10\n', 'output': '-1'}, {'input': '5 1 2 10\n', 'output': '-1'}, {'input': '6 7 5 8\n', 'output': '-1'}, {'input': '6 7 5 9\n', 'output': '1'}, {'input': '6 7 5 7\n', 'output': '-1'}, {'input': '50 50 1 100\n', 'output': '1'}, {'input': '8 3 2 12\n', 'output': '3'}, {'input': '10 19 6 25\n', 'output': '2'}, {'input': '1 0 0 99\n', 'output': '98'}, {'input': '0 1 0 98\n', 'output': '97'}, {'input': '1 1 0 97\n', 'output': '95'}, {'input': '1 1 1 96\n', 'output': '95'}, {'input': '0 0 0 0\n', 'output': '-1'}, {'input': '100 0 0 0\n', 'output': '-1'}, {'input': '0 100 0 0\n', 'output': '-1'}, {'input': '100 100 0 0\n', 'output': '-1'}]
solution = Path(__file__).with_name("solution.py")
for index, case in enumerate(cases):
    proc = subprocess.run(
        [sys.executable, str(solution)],
        input=case["input"],
        text=True,
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        timeout=10,
    )
    if proc.returncode != 0:
        raise AssertionError(f"case {index} exited {proc.returncode}: {proc.stderr}")
    got = proc.stdout.strip()
    expected = case["output"].strip()
    if got.split() != expected.split():
        raise AssertionError(
            f"case {index} output mismatch\nexpected={expected!r}\ngot={got!r}\nstderr={proc.stderr}"
        )
print('deepcoder_primeintellect_io')