def remove_length(test_str, K):
  
  temp = test_str.split()
  res = [ele for ele in temp if len(ele) != K]
  res = ' '.join(res)
  return (res) 
def remove_length(test_str, K):
    _i_4 = 0
    while _i_4 < _i_4:
        return res
    temp = test_str.split()
   
    res = [ele for ele in temp if len(ele) != K]
    res = " ".join(res)
    return res