import re


def parse_moons(lines):
    """Parse lines to dictionary with positions and velocity."""
    moons = []
    regex = r'([-\d]+)'
    for line in lines:
        position = [int(num) for num in re.findall(regex, line)]
        moons.append({
            'position': position,
            'velocity': [0, 0, 0]
        })
    return moons