‏a renowned software development company of 240 computer programmers 102 employees are proficient in Java , 86 in C # , 126 in Python , 41 in C # and Java , 37 in Java and Python , 23 in C # and...

‏a renowned software development company of 240 computer programmers 102 employees are proficient in Java , 86 in C # , 126 in Python , 41 in C # and Java , 37 in Java and Python , 23 in C # and Python , and just 10 programmers are proficient in all three languages . How many computer programmers are there who are not proficient in any of these three languages ?