import random

def isprime(n):
    if n <= 1 or (n > 2 and n % 2 == 0): return False
    for _ in xrange(30):
        b = random.randint(2, n - 2)
        if pow( b, n - 1, n ) != 1: return False
    return True

ans = [1,1,1,3,1,5,1,7,7,7,1,11,1,13,7,7,1,8,1,19,19,7,1,23,23,8,8,8,1,8,1,8,8,8,8,8,1,8,8,8,1,8,1,8,8,8,1,8,14,8,8,8,1,8,8,8,8,8,1,8,1,8,8,8,8,8,1,8,8,8,1,8,1,8,8,8,8,8,1,8,14,8,1,8,8,8,8,8,1,8,8,8,8,8,8,8,1,8,8]
n = input()
if n < 100:
    print ans[n - 1]
else:
    if n % 8 != 1:
        print 8
    elif not isprime(n - 8):
        print 8
    else:
        print 14