import threading
import _thread
import sys

def recurse():
    return recurse()

def outer():
    try:
        recurse()
    except RecursionError:
        pass

n = int(sys.argv[1])
s = int(sys.argv[2]) * 1024

print("setrecursionlimit(%s)" % n)
sys.setrecursionlimit(n)

_thread.stack_size(s)
print("stack_size: %.1f kiB = %.1f MiB" % (s / 1024, s / 1024**2))

w = threading.Thread(target=outer)
w.start()
w.join()
print('end of main thread')