public class SomeProgram {
public static int g(int a, int b) {
return a - 2 * b;
}
public static int f(int a, int b) {
return b + g(b, a);
}
public static void main(String[] args) {
int a = 9;
int b = 3;
int c = f(b, a) - g(b, a);
System.out.println©;
}
}