def concatenate_elements(test_tup):
  
  res = tuple(i + j for i, j in zip(test_tup, test_tup[1:]))
  return (res) 
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