In the given figure, the numbers associated with the rectangle, triangle, and ellipse are 1, 2, and 3, respectively. Which one among the given options is the most appropriate combination of \( P \), \( Q \), and \( R \)?

Consider designing a linear binary classifier \( f(x) = \text{sign}(w^T x + b), x \in \mathbb{R}^2 \) on the following training data: 
Class-2: \( \left\{ \left( \begin{array}{c} 0 \\ 0 \end{array} \right) \right\} \)
Hard-margin support vector machine (SVM) formulation is solved to obtain \( w \) and \( b \). Which of the following options is/are correct?
def f(a, b):
if (a == 0):
return b
if (a % 2 == 1):
return 2 * f((a - 1) / 2, b)
return b + f(a - 1, b)
print(f(15, 10))
The value printed by the code snippet is 160 (Answer in integer).
Create empty stack S
Set x = 0, flag = 0, sum = 0
Push x onto S
while (S is not empty){
if (flag equals 0){
Set x = x + 1
Push x onto S
}
if (x equals 8):
Set flag = 1
if (flag equals 1){
x = Pop(S)
if (x is odd):
Pop(S)
Set sum = sum + x
}
}
Output sum
The value of \( sum \) output by a program executing the above pseudocode is: