Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.

But I also don't want to use many numbers, so I'll choose three positive integers (they don't have to be distinct) which are not greater than *n*. Can you help me to find the maximum possible least common multiple of these three integers?
The first line contains an integer *n* (1 ≤ *n* ≤ 10<sup class="upper-index">6</sup>) — the *n* mentioned in the statement.
import math
def isprime(x):
    i=2
    while i*i<=x:
        if x%i == 0:
            return False;
        i+=1
    return True;
n = int(input())
if n%2 == 0:

    curr = 1
    count = 3
    while n and count:
        if isprime(n):
            curr = curr * n
            count -= 1
        n-= 1
    print(curr)
else:
    print(n * (n - 1) * (n - 2))