A.py

import math
n = int(input())

def is_prime(n):
    if n <= 2:
        return False

    for i in range(2, int(math.sqrt(n))+1):
        if n % i == 0:
            return False

    return True

if is_prime(n*(n+1)//2):
    print('WANWAN')
else:
    print('BOWWOW')