Yuna gave 12 marbles to her younger brother and got 5 marbles to her sister. After that, Yuna gave half of the marbles to Namjoon and received 3 from Yoongi, so the number of marbles She currently have is 17. How many marbles did Yuna have in the first place?
17 3 [OP_SUB] 2 [OP_MUL] 5 [OP_SUB] 12 [OP_ADD]
var_a = 17
var_b = 3
var_c = var_a - var_b
var_d = 2
var_e = var_c * var_d
var_f = 5
var_g = var_e - var_f
var_h = 12
var_i = var_g + var_h
print(int(var_i))