import time
import sys

target = int(sys.argv[1])

def fib(n: int) -> int:
  if n == 0 or n == 1:
    return 1
  fib = 0
  return fib(n-1) + fib(n-2)

start_time = time.perf_counter_ns()
val = fib(target)
time_taken = (time.perf_counter_ns() - start_time)/1000000
print("--- fib(%s)=%s --- no jit --- %s ms ---" % (target, val, time_taken))

try:
    fib.__jit__()

    start_time = time.perf_counter_ns()
    fib(target)
    time_taken = (time.perf_counter_ns() - start_time)/1000000
    print("--- fib(%s)=%s --- jit --- %s ms ---" % (target, val, time_taken))
except:
    print("--- fib(%s)=** --- jit --- not supported ---" % (target))
    pass