#include <iostream>
using namespace std;

struct Yoba {
Yoba operator+(const Yoba r) {
	return r;
}
Yoba operator=(Yoba r) {
}
	
};

int main() {
	Yoba a;
	Yoba b;
	Yoba c;
	(a + b) = c;
	// your code goes here
	return 0;
}