Among the students in Eunji's class, there are 24 students who can play musical instrument (a), and 8 of them are said to be able to play instrument (b) as well. If not a single student can play both (a) and (b), and 17 students can play instrument (b), how many students are there in Eunji's class?
24 17 [OP_ADD] 8 [OP_SUB]
var_a = 24
var_b = 17
var_c = var_a + var_b
var_d = 8
var_e = var_c - var_d
print(int(var_e))