The number 397 less than B is A, and A is 742. If B equals C plus 693, find the A minus C.
742 742 397 [OP_ADD] 693 [OP_SUB] [OP_SUB]
var_a = 742
var_b = 742
var_c = 397
var_d = var_b + var_c
var_e = 693
var_f = var_d - var_e
var_g = var_a - var_f
print(int(var_g))