import java.util.Scanner;
class Main {
public static void main(String[] args) {
Scanner pocket = new Scanner(System.in);
String pizza = pocket.nextLine();
if(pizza.equals("small")){
System.out.println("8");
}else if(pizza.equals("medium")){
System.out.println("10");
}else if(pizza.equals("large")){
System.out.println("12");
}else{
System.out.println("Please enter a proper size!");
}
}
}