def surfacearea_cuboid(l,w,h):
  
  SA = 2*(l*w + l * h + w * h)
  return SA
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