#include <iostream>
using namespace std;
 
struct A {
	int a_, b_;
	constexpr A(int a): a_(a+a), b_(a*a) {}
};
 
struct B {
	int a_, b_, c_;
	constexpr B(int x, int y): a_(x+y), b_(x-y), c_(x*y) {}
};
 
struct R {
	int r_;
	R(int a, int b) : r_(a + rand()%(b-a)) {}
};
 
struct C {
	static constexpr A a_ {3};
	static constexpr B b_ {4,5};
	static const R r_;
 
	const R q_ {123,456};
};
const R C::r_ {100,500};
 
int main() {
	// your code goes here
	C c;
	cout << c.a_.a_ << " " << c.a_.b_ << endl;
	cout << c.b_.a_ << " " << c.b_.b_ << " " << c.b_.c_ << endl;
	cout << c.r_.r_ << " " << c.q_.r_ << endl;
	return 0;
}

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