Hoseok intends to distribute the 7 notebooks to his older sister and older brother. The older sister and older brother each receive at least one notebook. How many total ways to hand out notebooks?
7 2 1 [OP_MUL] [OP_SUB] 1 [OP_ADD]
var_a = 7
var_b = 2
var_c = 1
var_d = var_b * var_c
var_e = var_a - var_d
var_f = 1
var_g = var_e + var_f
print(int(var_g))