serial = 5535

cache = dict()

def get_power_level(x, y):
    if (x, y) in cache:
        return cache.get((x, y))
    rack_id = x + 10
    power_level = rack_id * y
    power_level += serial
    power_level *= rack_id
    power_level = (power_level // 100) % 10
    power_level -= 5
    cache[(x, y)] = power_level
    return power_level

m = dict()

for size in range(1, 301):
# for size in range(1, 4):
    print('checking size:', size)
    for x in range(0, 301 - size):
        for y in range(0, 301 - size):
            level = m.get((x, y, size - 1)) or 0
            j = size - 1
            for i in range(0, size - 1):
                level += get_power_level(x + i, y + j)
                level += get_power_level(x + j, y + i)
            level += get_power_level(x + size - 1, y + size - 1)
            m[(x, y, size)] = level
        
pos = max(m, key=m.get)

print(f'{pos[0]},{pos[1]},{pos[2]}')