import timeit
count = int(input())
print(timeit.timeit(stmt="a[1:]", setup="a = list(range(10 ** 6))", number=count) / count)
aW1wb3J0IHRpbWVpdAoKCmNvdW50ID0gaW50KGlucHV0KCkpCnByaW50KHRpbWVpdC50aW1laXQoc3RtdD0iYVsxOl0iLCBzZXR1cD0iYSA9IGxpc3QocmFuZ2UoMTAgKiogNikpIiwgbnVtYmVyPWNvdW50KSAvIGNvdW50KQo=