#include <iostream>
#include "a.h"
#include "b.h"
#include "c.h"

int main(){
    v a();
    A a1(1,2), a2(2,3);
    B b1(3), b2(5);
    a1.p();
    a2.p();
    b1.p();
    b2.p();
    system("pause");
    return 0;
}