def extract_index_list(l1, l2, l3):
    
    result = []
    for m, n, o in zip(l1, l2, l3):
        if (m == n == o):
            result.append(m)
    return result
def is_not_prime(n):
    import math
    
    result = False
    for i in range(2,int(math.sqrt(n)) + 1):
        if n % i == 0:
            result = True
    return result