Hoseok had 18 flowers. Hoseok gave 5 flowers to Minyoung and 6 to Yoojeong. How many flowers does Hoseok have left?
18 5 [OP_SUB] 6 [OP_SUB]
var_a = 18
var_b = 5
var_c = var_a - var_b
var_d = 6
var_e = var_c - var_d
print(int(var_e))