#include <iostream>

using namespace std;

struct point {

int x;

int y;

};

int main() {

struct EX {

int a;

int b;

point c;

} e;

e.a = 1;

e.b = 2;

e.c.x = e.a + e.b;

e.c.y = e.a * e.b;

cout << e.c.x << ',' << e.c.y << endl;

return 0;

}

输出：_________