"""
This program adds
"""

import sys
import threading

def count(where, how_much):
    for i in range(how_much):
        # Execute where[i % len(where)] += 1, print what is hapenning
        cell = i % len(where)
        value = where[cell]
        thread = threading.get_native_id()
        end = '\r' if i < how_much - 1 else '\n'
        print(f'{thread=} {cell=} {value=}→{value + 1}', end=end)
        where[cell] = value + 1

workers = int(sys.argv[1])
how_much = int(sys.argv[2])

counters = [0] * 3
print(f'start: {counters=}')

threads = [threading.Thread(target=count, args=(counters, how_much))
           for _ in range(workers)]

for t in threads:
    t.start()
for t in threads:
    t.join()

print(f'final: {counters=}')
print(f'       {sum(counters)=}')