def count_Odd_Squares(n,m):
     
    return int(m**0.5) - int((n-1)**0.5) 
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