import subprocess
import sys
from pathlib import Path

cases = [{'input': '3\n-7 1\n5 2\n8 2\n', 'output': '1907\n'}, {'input': '2\n57 1\n22 2\n', 'output': 'Impossible\n'}, {'input': '1\n-5 1\n', 'output': 'Infinity\n'}, {'input': '4\n27 2\n13 1\n-50 1\n8 2\n', 'output': '1897\n'}, {'input': '6\n8 1\n-22 1\n9 2\n-7 2\n85 2\n77 1\n', 'output': '2054\n'}, {'input': '7\n-56 1\n-85 2\n-88 2\n-36 1\n-25 2\n8 2\n61 2\n', 'output': 'Impossible\n'}, {'input': '15\n20 2\n-31 2\n80 2\n-18 2\n-44 2\n37 2\n-90 2\n76 2\n14 2\n8 2\n-40 2\n22 2\n21 2\n20 2\n-29 2\n', 'output': '1870\n'}, {'input': '50\n67 1\n89 2\n83 1\n-26 1\n88 2\n-22 2\n-98 2\n-83 1\n58 2\n26 2\n-37 1\n-43 2\n29 1\n65 2\n-70 1\n81 2\n36 1\n52 2\n93 2\n-12 2\n-12 1\n5 2\n91 1\n3 1\n-27 1\n18 1\n-60 1\n-15 1\n17 1\n-33 1\n-74 2\n5 2\n-62 2\n72 1\n-22 1\n-58 1\n-9 1\n57 1\n-18 2\n-11 2\n-68 2\n74 2\n-20 2\n21 2\n-19 2\n-77 1\n50 2\n93 2\n45 2\n-66 1\n', 'output': 'Impossible\n'}, {'input': '1\n-100 1\n', 'output': 'Infinity\n'}, {'input': '1\n-100 2\n', 'output': '1799\n'}, {'input': '2\n100 1\n100 1\n', 'output': 'Infinity\n'}, {'input': '2\n100 2\n100 2\n', 'output': '1999\n'}, {'input': '20\n-94 2\n25 2\n96 2\n23 2\n41 2\n-92 2\n99 2\n-60 1\n29 2\n-50 2\n81 2\n22 1\n45 1\n47 1\n-86 1\n44 1\n-7 1\n82 1\n-30 1\n-17 1\n', 'output': '2006\n'}, {'input': '40\n-54 1\n-29 1\n55 1\n-46 1\n44 1\n-22 1\n-100 1\n-22 2\n91 2\n58 1\n64 1\n2 1\n47 1\n-3 1\n-56 1\n2 1\n-69 1\n6 1\n-33 1\n-74 1\n-85 2\n-50 2\n-96 2\n-86 2\n-8 2\n21 2\n86 2\n-15 2\n24 2\n81 2\n8 2\n65 2\n-41 2\n-34 2\n-72 2\n-2 2\n-1 2\n6 2\n54 2\n23 2\n', 'output': '1777\n'}, {'input': '50\n-21 1\n-16 1\n5 1\n-57 1\n-29 1\n94 1\n59 1\n79 1\n-56 1\n43 1\n-21 1\n36 1\n25 1\n41 1\n66 1\n-24 1\n6 1\n51 1\n97 1\n-4 1\n-60 1\n-94 1\n-10 1\n51 1\n98 1\n-100 1\n-20 1\n-69 1\n-43 1\n-38 1\n57 1\n21 1\n-82 1\n-59 1\n2 1\n62 1\n-35 1\n17 1\n-24 1\n44 1\n69 1\n-73 1\n84 1\n-29 1\n35 1\n69 1\n-77 1\n-7 1\n20 1\n45 1\n', 'output': 'Infinity\n'}, {'input': '2\n0 2\n0 1\n', 'output': 'Impossible\n'}, {'input': '2\n0 1\n0 2\n', 'output': 'Impossible\n'}, {'input': '22\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n-1 1\n100 2\n', 'output': '1999\n'}, {'input': '3\n-1 1\n1 2\n1 2\n', 'output': 'Impossible\n'}, {'input': '25\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n100 2\n', 'output': '1999\n'}]
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')